S.E. Civil Semester II Examination, SURVEYING I Course
Time Hours Max. Marks
Instructions Answers to the two Sections should be written in separate books. Neat diagrams
must be drawn wherever necessary. Black figures to the right indicate full marks. Use of
logarithmic tables slide rule, Mollier charts, electronic pocket calculator and steam tables is
allowed. Assume suitable data, if necessary. Solve Q. or , Q. or , Q. or from Section I and Q.
or , Q. or , Q. or from Section II. SECTION I . a Explain with a neat sketch, the two peg
method of testing and adjustment of a dumpy level. b Explain in detail the procedure of
levelling of a dumpy level. Draw a neat sketch to justify your answer. c The following
observations were made during the testing of a dumpy level. Instrument at A B Staff readings
on A B . . . .
Is the instrument in adjustment If not determine the error. If R.L. of A is . m, determine the
R.L. of B. OR . a Explain in brief the permanent adjustment of making the axis of bubble tube
perpendicular to vertical axis. b Write in brief about special points of Auto level. c Explain in
detail the procedure of measurement of Horizontal angle by repetition method using vernier
transit theodolite.
P.T.O.
. a Differentiate between Bowditchs Rule and Transit Rule for adjustment of a closed
traverse. b How would you determine omitted measurement when length and bearing of one
side of closed traverse is omitted c Define Deflection angle. Also write in detail the procedure
of measurement of deflection angle using vernier transit theodolite. Draw a neat sketch. OR .
a Define the following terms Vertical Axis Double sighting Plunging the Telescope Trunion
Axis b Write a short note on checks in an open Traverse survey. c State the functions of
following parts of a Theodolite i Optical plumet ii Clip screw iii Shifting head iv Lower tangent
screw. . a Define Interpolation of contours. State various methods of interpolation. Explain
any one in brief. b What considerations would you have while selecting the contour interval c
A staff was held vertically at a distance of m and m from the centre of a tachometer. The staff
intercepts with the telescope horizontal were . and . respectively. Calculate the constants of a
tachometer. OR . a What do you understand by tacheometric survey What is the utility of this
method in the field b Describe in detail the field procedure of determining the constants of a
tacheometer.
c A tacheometer was set up at an intermediate point between two stations A and B and the
following observations were made on a vertically held staff Staff station A B Vertical Angle
Staff readings ., ., . ., ., .
The instrument is fitted with an anallatic lens having a multiplying constant of . Compute the
length AB and the R.L. of point B, if that of A was . m. The instrument and staff points are in
one straight line. SECTION II . a Draw the neat sketches of the following Simple circular
curve Compound curve Reverse curve Transition curve b Write a note on obstacles in setting
out curves. c Two straights of a road intersect at a chainage of . Taking chord length of m,
calculate the following Radius of curve Length of curve Tangent length Length of the Long
chord Chainage at the starting point and end point. OR . a Draw a neat sketch of a
compound curve and show its various elements. b What is the necessity of transition curve
What are their different forms c Two straights AB and BC intersect at an inaccessible point B.
To connect them through a simple curve two points D and E are selected on line AB and BC
respectively. The distance DE m and the angle ADE and CED respectively. Calculate the
suitable radius, given that the distance AD m and the points A and C are the tangent points.
. a State the various formulae to calculate the length of a transition curve and also state the
meanings of the terms involved. b Describe the procedure of setting out a simple circular
curve by offset from Chord produced. c What is meant by transition curves What are their
advantages and disadvantages
OR . a Two straights intersects at an angle of . The maximum allowable speed on the curve
is kmph. If the allowable rate of change of radial acceleration is cm/sec and the centrifugal
ratio is ., calculate the radius of the circular curve and length of the transition curve. b Write a
short note on vertical curves. c Write a short note on location and uses of Reverse curves. . a
Describe with the help of a neat sketch, strength of Fix. b Explain in detail the direct method
of contouring. c Explain in detail the profile levelling. OR . a State the three point problem.
Explain how it is solved by tracing paper method. b What is meant by orientation in plane
table survey State the methods of it. Explain any one in brief. c Write a short note on Grade
contour.
B/II//
S.E. Mechanical Semester I Examination, FLUID MECHANICS Course
Time Hours Max. Marks Instructions Answer any three questions from each Section.
Answers to the two Sections should be written in separate books. Neat diagrams must be
drawn wherever necessary. Black figures to the right indicate full marks. Use of logarithmic
tables, slide rule, Mollier charts, electronic pocket calculator and steam tables is allowed.
Assume suitable data, if necessary. SECTION I Unit I . a A U tube is made up of two
capillaries of bores . mm and mm respectively. The tube is dipped in the liquid whose . N/m.
Find out the mass density of the liquid if the difference in two menisci is mm. Assume angle
of contact is zero. b State and explain Newtons Law of viscosity. c Describe various types of
flow with examples. OR . a Through a narrow gap of height , a thin plate of large surface is
pulled with a velocity U on one side of the plate, oil is of viscosity and on the other side of .
Determine i The position of the plate so that shear force on the sides is equal and ii Pull
required to drag the plate is minimum. b Derive three dimensional continuity equation in
Cartesian coordinate.
P.T.O.
Unit II . a A welltype manometer has the measurement leg inclined at from the horizontal.
The diameter of the well is mm while that of measurement leg is mm. An oil of specific gravity
of . is used as the fluid. A differential pressure produces a reading of cm from zero level.
What is the differential pressure in Pa Assume that inclined tube is open to atmosphere. b
Derive an expression for total pressure and center of pressure for inclined plane submersed
in liquid and hence derive the expression for center of pressure for vertical plane. OR . a
Define following terms i Buoyancy ii Centre of buoyancy iii Principle of floatation iv
Archimedes Principle. b A square plate of diagonal . m is immersed in water with its diagonal
vertical and upper corner . m below the free surface of water. Calculate the depth of the
centre of pressure on the plate from the free surface of water and the hydrostatic force
resulting on the plate in kN. c Explain with neat sketch the method of determining
metacentric height of floating body. Unit III . a Determine the discharge through an orifice m
wide and . m deep in the vertical wall of a large tank having water level . m above the upper
edge of the orifice. Water on downstream side is . m above the bottom edge of the orifice.
Take Cd .. b Sketch with equations various measurement arrangements of Pitot tube. OR
. a Obtain an expression for pressure drop from inlet to throat in a horizontally mounted
venturimeter in terms of rate of volume flow Q and inlet diameter D for inlet/throat diameter
ratio is equal to . b A submarine fitted with a pitot tube moves horizontally in sea with its axis
is m below the surface of water. The Pitot tube fixed infront of the submarine and along its
axis connected to the two limbs of a Utube containing mercury, the reading of which is found
to be mm. Find the speed of the submarine. Take the specific gravity of seawater . times
fresh water. c List the various forces acting on fluid mass. Explain the significance of each
term. SECTION II Unit IV . a Derive expression for Hagen Poiseullis equation. b What are
repeating variables What points are important while selecting repeating variables OR . a An
oil is flowing between two parallel plates kept at cm apart with maximum velocity of . m/s.
Find out the discharge per meter perpendicular to paper, shear at the plates the pressure
difference between two points m apart along the flow direction. Also find out the velocity
gradient at the plates and velocity at cm from the plate surface. Take for oil Poise. b Using
Buckingham theorem, show that the velocity through a circular orifice in a pipe is given by V
gH f d , H
.
Unit V . a Derive expression for Darcy Weisbatch equation for head loss due to friction.
b Two tanks . km long are connected by a pipe of cm diameter. The water level difference
between two tanks is m. Find the diameter of another pipe which would provide twice the
discharge of the first. Consider f is same in both cases and consider only frictional losses in
both cases. OR
. a What is siphon Where it is used Explain its action. Derive formula for the length of its leg.
b Determine the diameter of the pipe required to supply water to a turbine developing KW
under the following condition. Head m, Pipe length m, Take f .. What would be the diameter
of the pipe if it is to be designed for maximum power condition Unit VI . a Explain the
characteristics of laminar and turbulent boundary layers. b Discuss the phenomenon of
separation for flow over curved surface. What are the methods used to prevent the
separation c Air with a velocity of . m/s is flowing over a cylinder of cm diameter. Find the
total drag, shear drag and pressure drag if the length is m. OR . a Define drag and lift and
differentiate between friction drag and pressure drag. Under what circumstances friction drag
becomes zero and pressure drag becomes zero. b Explain development of fully developed
turbulent flow in circular pipes with sketches. c Which factors affect the thickness of
boundary layer
B/II//
Derive expression for the capillary rise of a liquid. OR P. a State and prove Pascals law.
SECTION I . . Prove relationship between surface tension and pressure inside droplet of
liquid in excess of outside pressure is given by /d.O. electronic pocket calculator and steam
tables is allowed. slide rule. b Explain different type of fluid flow.E. THERMAL AND FLUID
ENERGY CONVERSION Course Common to Production S/W Time Hours Max. Assume
suitable data. Black figures to the right indicate full marks. a Derive Eulers equation of motion
and hence Bernoulls equation. if necessary. Answers to the two Sections should be written in
separate books. a Define surface tension. . Neat diagrams must be drawn wherever
necessary. OR . S.T. b Explain phenomenon of capillary. Give its applications. Production
And Industrial Engg. Marks Instructions Answer three questions from Section I and three
questions from Section II. Mollier charts. Use of logarithmic tables. b Explain i Dynamic
viscosity ii Kinematic viscosity iii Compressibility iv Centre of pressure. Semester I
Examination.
.. O . OR . moisture. ash. N . a Explain Bomb calorimeter with neat sketch. . a Explain with
neat sketch centrifugal pump. a Explain the following i Reynolds number ii Feuler number iii
Froude number iv Weber number b Explain Buckinghams theorem. Determine i Air fuel ratio
ii Fuel composition on mass basis iii Percentage excess air. a Give classification of hydraulic
turbines. CO . hydrogen. OR . Actual air supplied is kj/kg of coal. b The gravemetric analysis
of coal gives carbon. b A hydrocarbon fuel has following orsat analysis CO . Determine
minimum air required if carbon is burnt to CO and remaining to CO. c Explain what is
governing of turbine.. b Explain the terms static head and manometric head. What do you
mean by repeating variables . a Explain Boys gas calorimeter with neat sketch. Also
determine volumetric composition of dry flue gas. c Describe air vessel for reciprocating
pump.. b Describe with neat sketch Pelton turbine.. SECTION II .
OR . a Derive expression for air standard efficiency of otto cycle. a Prove that for single
stage reciprocating compressor C C P n where C clearance ratio. Fuel consumption is kg/hr.
b Boiler produces T/hr of steam at MN/m. Equivalent of evaporation . a Explain with neat
sketch Benson boiler. kj/kg of fuel. Find Boiler efficiency and condition of steam produced. . a
What is boiler mounting Explain with neat sketch spring loaded safety valve.C. engine. bar
and C. b Explain with neat sketch central air conditioning system. P . c Calculate volumetric
efficiency of compressor having a cylinder diameter mm and stroke mm. b Explain various
methods for improvement of isothermal efficiency. Compressor matches rpm and delivers
kg/min of air at . c Explain wet sump lubrication system. b Give classification of I. Feed water
temperature is C. B/II// . Take calorific value of fuel kJ/kg. OR .
c Explain the following material designation i C iii FG OR . S.T. P. a Explain the effect of the
following alloying elements on properties of iron i Carbon iii Silicon v Sulphur ii Tungsten iv
Molybdenum vi Chromium ii Ni Cr iv Cr Max. c Describe and compare i Factor of safety ii
Safety margin and iii Service factor or application factor./Production S/W Semester II
Examination. . b Explain various design stages for any machine element. a What explain the
following terms i Toughness ii Brittleness iii Resilience iv Ductility. DESIGN OF MACHINE
ELEMENTS Course Duration Hours SECTION I . Production and Industrial Engg.E.O. Marks
b Explain standards and codes in design.
Design the shaft on the basis of strength and rigidity. The shaft is made of steel having an
ultimate tensile strength and yield strength of N/mm and N/mm respectively. The permissible
angle of twist in shaft is . per meter length and the permissible lateral deflection is mm per
meter length. If the permissible tensile stress is N/mm. a State the application of hand and
foot levers. b What are the different theories of failure Compare them by drawing safe
boundaries stated by each theory. b A bracket shown in the figure is subjected to a pull of KN
acting at an angle of to the vertical. Take G N/mm and E N/mm. The combined shock and
fatigue factors in bending and torsion are . The angle of wrap of belt on pulley is and the belt
tension acts vertically downwards. determine the crosssection of the bracket. OR . Assume
the compressive strength of the material to be more that the tensile strength. and . Discuss
the design procedure for designing hand or foot lever. Design the joint with factor of safety . a
A belt pulley is keyed to the shaft midway between the supporting bearings kept at mm apart.
The shaft transmits kW power at rpm. The pulley has mm diameter. The ratio of belt tensions
is . . a A knuckle joint is completely made of plain carbon steel C Syt N/mm and subjected to
an axial pull of KN. ... OR . The bracket has a rectangular section with its depth x thickness.
respectively.
. Determine the size of the weld if the permissible shear stress in the weld is N/mm. ii
Torque required for lowering the load against thread friction. The permissible shear stress for
the spring wire is N/mm. a A helical compression spring is made of . b Explain in detail
design procedure for protected type rigid flange coupling. while the modulus of rigidity is
GPa. If the stiffness of the spring is N/m determine i required number of coils ii allowable
deflection. OR . b Explain the terms with derivations i Screw efficiency ii Overall efficiency. .
mm diameter with spring index . A bracket is welded to column as shown in figure. SECTION
II . a Derive the expression for i Torque required to raise the load against thread friction.
the center distance between the two pulleys id . A multi plate clutch is to be designed to
transmit kW power at rpm with inner diameter as mm and outer diameter as mm. m. . b
Explain the two theories of friction used in design of friction clutched. and the angle of groove
as . the coefficient of friction is . B/II// . a What are the various pretensioning devices in belt
drives b Design considerations in shoe brake. If the allowable stress for the belt material is .
OR . Determine the outer and inner diameters of frictional surface if the coefficient of friction
is . Assume uniform wear theory. Coefficient of friction is . and the average allowable
pressure intensity for lining is kPa. Also determine the axial thrust provided by the springs.
The Vpulley has diameter of mm and rpm as . N/mm. Mpa determine the number of belts
requires if Csize belts having mcrosssectional area are used. OR .. b Explain Designation of
wire ropes. is required to transmit kW at rpm. ratio of diameter is . and density of belting is
kg/m. Determine i Number of friction plates and pressure plates ii Axial force required to
transmit power iii Actual average pressure and iv Actual maximum pressure intensity after
wear. effective on both sides. a A V belt drive is driven on a flat pulley and a V pulley to
transmit kW power. while the diameter of flat pulley is mm. a A single plate clutch. c Polygon
effect in chains. . and the maximum pressure is not to exceed .
OR . b Compare the core type and shell type transformers. Hence. . a Prove the condition
for maximum efficiency of a transformer. or Q. . v Assume suitable data. b Draw the phasor
diagram of a transformer on i load with unity power factor ii load with leading power factor.
and . No. Similarly from Section II solve Q. No. SECTION I .E. a Explain the various features
of an ideal transformer. No. iii Figures to the right indicate full marks. No. Find the terminal
voltage on the high voltage side when it supplies /th full load at power factor of . No. Marks
N. Electrical Semester I Examination. find the output of the transformer and its efficiency if
the core losses are W. or Q. the supply voltage being V. if necessary. or Q. single phase
transformer has an efficiency of both at full load and halfload at unity power factor. Q.. Q. No.
c A KVA. . No. / V. Determine its efficiency at of full load at .B. c A KVA. S. phase
transformer has equivalent resistance and reactance referred to low voltage side equal to .T.
power factor lag. or Q. ELECTRICAL MACHINES I Course Time Hours Max. . No. No.
respectively. ii From Section I solve Q. or Q. . i Answers to the two Sections should be
written in separate answer books. . or Q. Q. P. No.O. Q. No. iv Use of electronic calculator is
allowed. No. .
b A KVA. W L. A. a Explain the conditions which must be fulfilled for successful parallel
operation of phase transformer. c Explain scott connection. leading p. side shorted
Determine i The efficiency on full load. Test V. OR . lagging p. A. . Test V. W L. ii The voltage
regulation on full load.C. resistance and reactance B KVA./ V transformers are operated in
parallel to share a load of KVA at . lagging.I.C. . b Two . a What are the advantages of a
single three phase transformer unit over a bank of single phase transformers.f. . c Explain
the testing of transformer as per B.f. single phase transformer gave the following readings O.
. Transformers are rated as below A KVA. . a How equivalent circuit parameters are obtained
from open and short circuit tests on transformer. .V. leading p. .f.V. resistance and
reactance.S. iii The efficiency on of full load. Find the load carried by each transformer. a
Explain load sharing of transformers connected in parallel with equal voltage ratios and
unequal voltage ratios. side open S. b Explain the Sumpners test on single phase
transformer with the help of neat connection diagram.f. . b With proper connection and
phasor diagrams describe the different ways of connecting three phase transformers. . OR .
Hz. /V. p.
machines. . with an unsaturated field and negligible resistance when running at a certain
speed on a given load takes A at V. generators and explain them.c. calculate the resistance
required to reduce the speed by . Calculate the generated voltage and the armature current.
a Explain speed control methods for a d. If resistance of . .m. OR . Also. The stray losses are
W and shunt field coil resistance is . a Draw a neat sketch of a D.L.L. on full load and takes
an armature current of A. runs at r. series motor in details. c A V shunt motor with armature
resistance of . If the load torque varies at the cube of speed. current of A at V. find the load
current corresponding to maximum efficiency. SECTION II . Allow IV per brush for contact
drop. . b Explain the significance of the Back e.c. b A series motor.m.C. series field and
shunt field resistances of . . c A shunt generator has F. List the various parts and material
used for them. Label it. Also state the function of each parts. If it has a F. and
respectively.f.p. is placed in armature circuit find the speed at fullload torque.C. b Explain the
various losses in d. find the armature resistance. a Draw the performance characteristics of
different types of d.c. efficiency of . OR . a Distinguish between lap and wave type of
windings in D. b A longshunt compound generator delivers a load current of A at V and has
armature. machine. machine.
machine. a A pole. Also.c. a Describe Hopkinsons test in details with its advantages and
disadvantages. calculate extra shunt field turns/pole to neutralize the demagnetisation. KW.
Calculate the demagnetisation ampturns/pole if shunt field resistance is . series motors. V
wavewound shunt generator has armature conductors. Brushes are given a bead of
commutator segments. B/II// . b What is commutator What is meant by good commutation
How is it achieved OR .c. . b Explain Swinburnes test for finding the efficiency of a d. Can
this method be applicable to d.
TC./E. Common to Comp. OR . . Find the current flowing in the circuit at any time for w n.
Assume suitable data. Examination. if necessary. Esinnt is applied to it at time t . S./Electrical
S/W/Instru. a Solve the following any three x x i D y e d y y x sin x By variation of parameter ii
dx iii D D y e x sin x iv D D y x e x dy d y v x x y sinlog x dx dx b A circuit consists of an
inductance L and condenser of capacity C is in series. Black figures to the right indicate full
marks. Marks Instructions Answers to the two Sections should be written in separate books.
Use of electronic pocket calculator is allowed. Neat diagrams must be drawn wherever
necessary.T.T. initial current and the charge on the condenser being zero. An alternating e./I.
a Solve the following any three dy dy sinh x i dx dx ii D y cos x cos x e x iii D D y By variation
of parameter x iv D D y x d y dy v x x y x dx dx P. ENGINEERING MATHEMATICS III Course
Time Hours Max.f.m. SECTION I .E.O.
i. xaxis in zplane is mapped iz onto the circle w . Determine f z in x y terms of z. z z OR . o. a
Find Fourier sine and Fourier cosine transform of f x . z c Find inverse ztransform of z gt . z
dz where C z i . from zplane into the points i. . b Evaluate c z c Find the Bilinear
transformation which sends the points . dx wy a cos pt dt dy wx a sin pt dt . sin x x lt a . a
Evaluate z z c iz b Show that. xgta a e b Find the inverse Fourier sine transform of Fs . OR
cos z dz where C is the circle z . a If v y find u such that f z u iv is analytic. i of the wplane. c
Show that the function f z with constant magnitude is constant. a Find ztransform of the
following any two k i f k k k ii f k k a k k iii f k k sinh k k . b Solve the simultaneous equations.
under the transformation w .
c Show that the vector field f r r is irrotational vector field. a Prove the following any two r i . a
Find Inverse Laplace transforms of any two of the following s s i ii s s s s s iii s s . a Find the
Laplace transforms of any two of the following t i t e t t t sin t iii cos mt cos nt t ii e cos t dt t t b
Evaluate the integral by using Laplace transform d y c Solve the differential equation by
using Laplace transform method y dt where y . ss b Use convolution theorem to find Inverse
Laplace transform of c Obtain Laplace transform of t v t t t . in the direction of i j k. y . x lt x lt
x gt . . x gt . r n nn ii . . OR . b Using Fourier Integral representation show that e x e x x c Find
the Fourier cosine transform of f x x SECTION II sin x d . e t t cos t dt . r n r r r r iii f r f r f r r b
Find the directional derivative of xz x y z at . OR .
H t t u Show that H satisfies the equation u . y . c Verify Gauss divergence theorem for F xzi
y j yzk over the surface s of the cube bounded between x . a Verify Stokes theorem for F y z i
yz j xzk over the surface of a cube x . H E b Maxwells equations are given by H . y and z
above the XOY plane open at the bottom. z . . . a Show that the vector field F xy z i x z j xz y
k is conservative and hence find a scalar potential such that F . x . to yzdx xz dy xy dz C
along a line joining these points. B/II//. y . c If . to . z . . b Show that curlgrad where is some
scalar point function. satisfies the Laplaces equation then prove that is solenoidal function. .
E . t c Evaluate F dr where F xi xz y j zk from . x . . . . . a Evaluate . b Verify the Greens
Lemma for the vector field F x i xy j over the region bounded between y x and y x. C where C
is the curve from . OR . y . .
b Explain the properties of Elastic materials. b Enlist the guidelines for material selection of
mercury filled thermometer. Marks Instructions Answer questions from Section I and
questions from Section II. b Enlist the guidelines for material selection of mercury filled
thermometer. MATERIALS AND PROCESSES FOR SENSORS Course Time Hours Max. if
necessary. OR . Instrumentation and Control Semester I Examination. b Explain the term
service performance. . SECTION I . OR . a Explain the properties and applications of
Tungsten.T. Answers to the two Sections should be written in separate books. b Enlist the
applications of piezoelectric material. S. Neat diagrams must be drawn wherever
necessary.E. a Explain the effect of temperature on dielectric material. P. c Which are the
factors affecting the protectiveness of the oxide film OR . a Explain the electrical and
mechanical properties of conductor. b What is corrosion rate Explain its significance in
engineering application. a List various methods of corrosion control and explain any two of
them in detail. a Explain the applications of dielectric material. .O. . Black figures to the right
indicate full marks. Assume suitable data. a Explain the types of Corrosion.
SECTION II . b Write a note on photosensitive materials. . b Give properties and
applications of soft and hard magnetic materials. a Explain anodizing. a Discuss
ferromagnetic material and hysteresis in ferromagnetic materials. a Explain the properties of
magnetic materials. a What are various requirements of fiber optic materials b Write a note
on radioactive materials. b Write a note on Thermal Spraying. a Enlist various materials used
for Laser and compare the performance of Lasers based on spectral response and optical
power. b What is electroplating Explain its use and any one technique in detail. OR . B/II// .
OR . b Discuss the material selection criteria for LVDT. a Compare thick and thin film
technology. . OR .
No. . or Q. Q. No. Q. No. ENGINEERING MATHEMATICS III Course Time Hours Max. or Q.
In Section II. or Q. Marks Instructions i Answers to the two Sections should be written in
separate answer books.T. . Tech. iv Figures to the right indicate full marks. No.
Chemical/Printing/Polymer/Petroleum/Petrochemical/Bio. B Solve dx dy dz x y z xy xz OR P.
No. . . . ii In Section I. Q. No. Semester I Examination. Q. . S. No. No. No. . attempt Q. vi
Assume suitable data. if necessary.O. or Q. iii Neat diagrams must be drawn wherever
necessary. or Q. No. No. attempt Q. No. SECTION I .E. v Use of nonprogrammable
electronic pocket calculator is allowed. or Q. A Attempt any three d y i y e x x dx ii D D y sin x
cos x iii D D y e x cos x x iv x dy dy x y log x dx dx v D y cos ec x Using variation of
parameters.
sin . A Solve the equation subject to the conditions x y i u when y ii u when x and x y x iii u x
. A Attempt any three dy dy y x cos x i dx dx e ee ii D D y e x sec x Using variation of
parameters dy dy y sinh x cos x iii dx dx iv x d y dy x y x dx dx v D D y e x log x B Solve dx x
y . . Show that the deflection at its centre is W nl l P tan where n n P EI OR . lt x lt B A light
horizontal strut AB of length l is freely pinned at A and B is under the action of equal and
opposite compressive forces P at each of its ends and carries a load W at its centre. dt dy x y
cos t dt u u .
. . t satisfies the equation u u . A If c represents the vibrations of a string of length l units
fixed at t x both ends. A The initial temperature along the length of an infinite bar is given by .
t u ii t t iii u x . find the solution with boundary conditions. lt x lt . a sin x . . i u . t gt t x Use
Fourier transform to find the temperature at any point of the bar at any time t. x l l B In a
certain chemical reaction following equations appear dx x y dt dy x y dt Find x and y if x y at t
. u u . t and u l. u x. x lt x gt If the temperature u x .
x f x x gt B Find the inverse Sine transform of Fs a e C Solve the following integral equation .
gt SECTION II . f x sin x sin x d sin cos x d OR . a Find the Laplace transforms of the
following any two t i t e t sin t dt ii e cos t t t iii f t cos t . x . . lt t lt sin t . t gt . A Find the Fourier
Cosine transform of x . x gt then prove that for every lt x lt . f x sin x dx . . x lt B If f x . lt .
b Find the inverse Laplace transforms of the following any two s s i s s s ii cot iii s s OR . a
Find the Laplace transforms of the following any two i t sin t ii e t cos t dt t t t iii t U t e sin t U t
b Find inverse Laplace transforms of the following any two i s log s s s e s ii s s iii s s s .
c. . c Evaluate y z dx yz x dy xzdz where C is the boundary of C the rectangle x . has
maximum magnitude in a direction parallel to the line x y z . a Show that the tangent at any
point on the curve x e cos . b If F yz i zx j xyk and F a r a . . y and z . evaluate S F d s . above
the xyplane. a Establish the following vector identities any two a a r r i a r r r ii r log r r ar iii r r
a r r b If the directional derivative of axy byz czx at . z e makes constant angle with the zaxis.
b. y e sin . Find the values of a. then show that F F is solenoidal. c Using Divergence
theorem. . OR . where F x i y j z k and S is the curved surface of the paraboloid z x y.
If the s s forcing function is a unit step function. a Show that the motion of an incompressible
perfect fluid is a possible motion. b The transfer function of a second order system is given
as G s . solve the differential equation y y cos t. find the response function. Determine
whether the motion is irrotational. a A liquid is in equilibrium under the action of field F per
unit mass given by F field. Find the pressure at any point of the b The transfer function for a
second order system is given by . y dt dt OR .s . c Using Laplace transform method.
Determine i overshoot. y . . y . s . when the velocity q is given by q x y z i y z x j z x y k . Find
the equations of the stream lines of the motion. y z i z x j x y k . ii ytmax c Solve the
differential equation by Laplace transform method d y dy y e t . y B/II// .
kg/lit and . slide rule. OR P. b The strength of a phosphoric acid sample is found to be P O
by mass. Time Hours Max. Br . Chemical Semester I Examination. Mollier charts. PROCESS
CALCULATIONS Course Common to BioTech.E. S.T. if necessary. Answers to the two
Sections should be written in separate books. kg/lit respectively. c A sample of wine contains
alcohol ethanol on volume basis. Assume the densities of alcohol and alcohol free liquid to
be . Assume suitable data. . a By electrolyzing mixed brine. O Using ideal gas law. Use of
logarithmic tables. electronic pocket calculator and steam tables is allowed.O. Marks
Instructions Answer any three questions from each Section. Find the mass of alcohol in the
wine. Find out the actual concentration of HPO in the acid. a mixture of gases is obtained at
the cathode having the following composition by mole Cl . SECTION A . calculate i The
average molar mass of the gas ii Composition of gas by weight iii The density of the gas in
kg/m at C and mm Hg pressure.
. c Make the following conversions i gm/lit HSO to normality ii N HPO to gm/lit iii . ii The
amount of salt crystallized out in the salt box of the evaporator. find the content of CaCO in
the limestone. a A spent solution of chloroacetic acid in ether contains mole chloroacetic
acid. It is concentrated at the rate of kg/hr in a double effect evaporator until the final solution
contains glycerol and salt. Assume that about . NaO. glycerol is lost by entrainment. ZnO. .
gm/lit HCl to molarity. It is desired to make kg of saturated solution. If this CaO is present as
CaCO in the limestone. b A spent lye sample obtained from a soap making unit contains . . a
The analysis of a sample of glass yields . Find the quantities of spent solution and
chloroacetic acid required to make the above solution. b A sample of limestone is found to
contain . . salt NaCl. B O and SiO by mass. MgO. CaO by mass. AlO. glycerol and . Find i
The evaporation taken place in the system. . . a Crystals of MgCl. . It is desired to make kg of
a saturated solution at K.HO have a solubility of gm per gm ethanol at K. Convert this
composition into mole . The solubility of chloroacetic acid in ether is gm per gm ether at K.
Also find the composition of the saturated solution by mass. Calculate the quantities of
crystals and ethanol required to make the above solution. OR .
Calculate i The required strength of Sulphuric acid to obtain the above mixed acid. OR . is
readily available. HSO by mass. Estimate the fraction of recycle that must be continually
purged. The toleration limit of Argon entering the reactor is assumed to be parts to parts of
NH mixture by volume. In the operation of a synthetic ammonia plant. b For carrying out
nitration reaction. . parts of Argon to parts of NH mixture. The ammonia formed is separated
by condensation and the unconverted gases are recycled to the reactor. it is desired to have
a mixed acid containing HNO. Nitric acid of . nitrogen hydrogen mixture is fed to the
converter resulting in a conversion to ammonia. ii The weight ratio of HSO to HNO to be
mixed. The initial nitrogen hydrogen mixture contains .
T ... SECTION B . using heat capacity data... T for O . T for N Cp expressed in KJ/Kmol K. .
a Calculate the analysis of limestone used. The residue from the process had the following
composition. . During the process the mass is warmed and CO and HO vapors were
removed. SO . H SO .. c Calculate the weight and analysis of the material distilled from the
reaction mass per kg of limestone treated. HSO. T for SO . b Calculate the percentage of
excess acid used. . T . . Calculate the heat content of . Cp . CaSO . Pure CO is prepared by
treating limestone with aq. T for SO . MgSO . The gases leaving the roaster are at K and
have the molar composition SO . T . . CO .. .. a Pyrites fines are roasted in a chamber plant
for making sulphuric acid. The limestone used contained CaCO.. Kmol of gas mixture over K.
HO. and N . O . MgCO and remainder being inert insoluble material. Inerts. T . The acid used
contained HSO by weight.
. Chlorine is manufactured by burning hydrogen chloride gas using air. HCl O H O Cl For
good conversion. b . . . . . T . T Heat capacity of water vapor KJ/kmol K . T OR . Given data
Latent heat of fusion . . Latent heat of vaporization of water at C KJ/kg Heat capacity of liq. .
Heat capacity constants Component HCl O H O Cl N a . atm relative to ice at C. KJ/kg. Kmol
of water vapor at C and . . water KJ/kmol K . air is used in excess of that theoretically
required. b Calculate the enthalpy of . T . Calculate a The composition of gases leaving the
burner and b The adiabatic reaction temperature of the product gas steam. Given Cp a bT
KJ/kmol K. Assume that the oxidation is complete and the dry air and hydrogen chloride gas
enter the burner at K. . . .
c Classification of fuels. The barometer reads kN/m. The final product contained unreacted
chlorobenzene. find the capacity of the system in terms of solids that can be handled per
hour assuming water evaporation capacity to be same in both the cases. KN/m at C . During
the pilot plant studies a charge consisted of kg of chlorobenzene. b Calorific values of fuel.
Chlorobenzene is nitrated using a mixture of nitric acid and sulphuric acid. After two hrs of
operation the final mixture was analyzed. If the same system is to concentrate a weak juice
from to . Compute i the absolute molar humidity ii the absolute humidity iii the RH iv the
saturation Given data Vapor pressure of water . OR . Calculate conversion of chlorobenzene
and composition of product mixture. OR . KN/m at C. also the product distribution was found
to be pnitrochlorobenzene and Onitrochlorobenzene. a The dry bulb temperature and dew
point of ambient air were found to be C and C respectively. . Describe briefly a Proximate
and Ultimate analysis of coal. b A double effect evaporator concentrating weak juice from to
solids handles kg solids per hour. . kg of HNO and kg of HSO.
a The orsat analysis of the flue gases from a boiler house chimney gives CO . Latent heat of
water vapor . The GCV of the fuel is measured to be KJ/kg at K.. Na . . Mg .. Al B . and N .
KJ/kg. Assuming that complete combustion has taken place i Calculate the excess air and ii
Find the C H ratio in the fuel. S P Br Zn . Si B/II// . O . mass. by mass and contains sulphur to
the extent of . Calculate its NCV. Given data Atomic weight Ca . mole . b A sample of fuel oil
has C/H ratio .
Q. slide rule. OR . Determine i Specific mass iii Specific volume ii Specific weight iv Specific
gravity. a Define fluid and explain any applications involving mechanics of fluids. Mollier
charts. or Q./Poly. CP. c Draw rheological diagram and show various fluid types on it with
examples. determine its viscosity in P. Marks Instructions Answer Q. N/m. or Q. Black figures
to the right indicate full marks. or Q. Q. Explain how and why viscosity variation with
temperature is different for liquids and gases. c Explain continuum hypothesis with an
example. . if necessary. . Q. If the Kinematic viscosity of fluid is CS. determine the pressure
difference between inside and outside of i jet ii droplet iii soap bubble. or Q. or Q. from
Section II. Assume suitable data. FLUID MECHANICS Course Time Hours Max. Pasec.
Petrochem. Answers to the two Sections should be written in separate books. SECTION I .E.
P. electronic pocket calculator and steam tables is allowed. S. . Petro.O. b For a surface
tension of . Use of logarithmic tables. Q. from Section I and Q. . a Define viscosity and
explain its causes. . b litres of fluid weighs kg. or Q.T. Semester I Examination. if radius is
mm. Neat diagrams must be drawn wherever necessary.
OR . Length is metres. Draw these lines for a suddenly expanding section and a gradually
converging section. a Derive continuity equation along a streamline. if fluid is water. derive
Bernoullis equation and explain meaning of each term in it. b For x y . principle. . Assuming
losses in the diffuser at of the velocity head at outlet.G.G. and the pressure is Pa. b For xy.
SECTION II . and E.L. determine and hence the velocity at the point P. a From Eulers
equation of motion. . . . p V determine i Q ii iii . b Define H. The velocity at the smaller end is
cm/sec. determine and hence the velocity at the point P.. g r OR . construction and use of
micromanometer with a neat sketch. c Explain ideal requirements of a manometric fluid. a
State and prove Pascals law. a Derive hydrostatics equation. a Derive Eulers equation of
motion along a streamline. b Explain metacentre and its importance in the stability of floating
bodies.L. . OR . b A diffuser has diameters mm and mm respectively. b Explain working. a
Derive continuity equation for D fluid flow in Cartesian coordinates.
f .. a For steady laminar flow through pipes show that f b Draw orificemeter and explain its
use.. . prove that uavg b Explain methodology of determining terms using Buckinghams Pi
method. m length. f .. c Explain minor losses in pipe flow. m length. pipes. and mm . mm .
OR . OR .e differ by m. All connections are sudden.s. a Explain boundary layer growth on a
flat plate with minimum velocity profiles. U . Determine i difference in flow rate considering
and neglecting minor losses ii Magnitude of each loss in the pipe system iii Velocities in each
pipe iv Equivalent diameter of a pipe with f . mm . a For steady laminar flow through pipes.
Re B/II// . max . m length.. are connected in series between reservoirs whose w. . f . b
Explain working of centrifugal pump with a neat sketch.
Mollier charts. . Q. a Write pseudo C algorithm to reverse a singly linked list i By using new
list ii Without using new list. DATA STRUCTURES Course Time Hours Max. Give the
diagrammatic representation of the following polynomial using generalized linked list xyz xyz
yz xyz x y. or Q. or Q. . Computer Engg. Attempt Q. a Explain how to convert general tree to
Binary tree. or Q. if necessary. electronic pocket calculator and steam tables is allowed.
SECTION I . Write a function in C to insert a Node into BST.T.O. or Q. from Section I and Q.
S. or Q. b What is the use of threaded Binary tree Give the node structure required for a
threaded binary tree. Assume suitable data. a Differentiate singly linked list and doubly linked
list. Write pseudo algorithm for in order threading of Binary tree. Use of logarithmic tables.
OR . b Write a nonrecursive postorder traversal algorithm for Binary tree. Q. Write a function
to insert a node after any node in doubly linked list. from Section II. Neat diagrams must be
drawn wherever necessary. . b What is generalized linked list Write a node structure in C for
generalized linked list. . Q. Semester II Examination.E. a Define BST. Marks Instructions
Answers to the two Sections should be written in separate books. or Q. OR . Q. . . P. b Show
how to implement stack operations by using linked list. slide rule.
Discuss about the characteristics of a good hashing function. a What is minimum spanning
tree Write a Kruskals algorithm for minimum spanning tree. SECTION II . b Define the
following terms with respect to graph i Graph traversal ii Adjacency matrix iii Adjacency list iv
Indegree and outdegree of vertex v Diagraph. b Write pseudo C algorithm for i BFS traversal
of graph ii DFS traversal of graph OR . OR . a Find a topological ordering for the following
graph. a What is Hashing What is the hashing function Give at least two examples of hashing
function. How is collision handled during hashing b Explain Rehashing with example. .
b Define RedBlack tree and give its properties. . . . XCHG. Draw the tree at each stage of
insertion. . . At each stage. OR . ADD. b Compare the AVL tree with Binary search tree. a
Obtain AVL tree starting with an empty tree on the following sequence STA. . NOP. MVI. . a
Compare sequential file organization with indexed sequential file organization. OR . . LDA.
mention the rotation applied if any. B/II// . . . . . IN. JMP. b State the advantages and
disadvantages of the following file organization Sequential Indexedsequential Direct. DIV.
Write C implementation of primitives for sequential file organization. b Explain Heapsort
algorithm and give its time complexity. . MOV. . . a Explain how to construct a B tree of order
with steps for the following data . . . JNZ. TRIM. Write a algorithm to design a priority queue
using heap. . a Define MinHeap and MaxHeap. . Write short note on a Sequential file b
Inverted files c Linear probing d Application of hash table.
Mollier charts. OR P. II Course Examination. ii Answers to the two Sections should be
written in separate books.B. SECTION I Unit I I.. . electronic pocket calculator and steam
table is allowed. iii Neat diagram must be drawn wherever necessary. i Answer any three
questions from each Section. R . if necessary. I. S. The compression ratio is . engines along
with its function and material of manufacture. kJ/kg and Cv . b In diesel engine working on
dual combustion cycle.T. half of which is supplied at constant pressure and half at constant
volume. The heat supplied per kg of is KJ.O. iv Figures to the right indicate full marks. a
Enlist the main components of I. Take specific heat ratio K . v Use of logarithmic tables.E.
ENGINES AND AUTOMOBILE ENGINEERING Time Hours Max.C. Marks N. vi Assume
suitable data. Calculate i maximum pressure in the cycle ii percentage of stroke at which cut
off occurs. Mechanical Sem. slide rule. . T kJ/kg K. the temperature of the beginning of
compression is C and pressure bar.C.
engines classified b Explain the concept of fuel air cycle. Explain any one type of gasoline
injection.I. Unit III . State the assumptions made. engine OR .I. a Describe with suitable
sketch the following systems of modern carburettor i Main metering system iii Economiser
system ii Idling system iv Acceleration pump system. b What are the requirements of fuel
injection system for C. a Why is cooling necessary for I. What is the purpose of using
governor in C. a What is the necessity too gasoline injection Enlist the various types of
gasoline injection systems. engine with P.I. Unit II . b What are the main functions of the
nozzle Bring out the differences in construction and working of pintle and pintaux nozzles
with the help of neat sketches and discuss their relative merits. engines How they are
classified Explain with the help of neat sketch the most common injection system used in
multi cylinder diesel engines. .C.C.V. diagram. OR . a How are I. engines What are the effect
of overheating and over cooling of engines b Explain wet sump lubrication system with the
help of neat sketch. c Explain the effect of variable specific heat and dissociation in S. c
Differentiate between quantity governing and quality governing.
KW Mechanical efficiency . a What are the effects of supercharging on following operating
parameters of C. b A trial carried out on a stroke cycle.m. kJ/kg.I. b What is ignition advance
What are the factors that affects the ignition advance c Explain the working of dry sump
lubrication system. . heat of exhaust gas . a Explain with the help of neat sketch pressurised
water cooling system. single cylinder oil engine working on a otto cycle gave the following
results Indicated power . What are its advantages SECTION II Unit . Fuel used per hour . m
Specific gravity of fuel . of fuel kJ/kg Mass of jacket cooling water kg/min Rise in temperature
of cooling water C Air used per kg of fuel kg Exhaust gas temperature C Room temperature
C Sp.K Speed r.V. . liter Effective Radius of brake drum . C.p. Engine i Power Output ii Fuel
Consumption iii Mechanical efficiency.
Duration of trail Hour Revolutions Number of missed cycles Net brake load N Effective brake
circumference cm Mean effective pressure bar Gas Consumption liters C. a What is constant
pressure Turbocharging State its advantages and disadvantages over other methods of
turbocharging in C. OR .V. Engine. ii Brake Power iv Brake thermal efficiency .I. b The
following particulars were obtained during a trial on a four stroke gas engine. Calculate i
Effective brake load ii Brake thermal efficiency iii Draw heat Balance sheet on minute basis.
of gas supply kJ/liter Cylinder bore diameter cm Cylinder stroke length cm Compression ratio
. Estimate i Indicated Power iii bsfc v Relative efficiency.
I. a Explain with the help of diagram exhaust gas recirculation system.I. c What are the
engine requirements for automotive applications B/II// . Engine. b Write a note on effects of
different automobile pollutants on human life.I. Engine State advantages and disadvantages
of compression swirl. c Write a note on Hybrid Electric Vehicles. b What is ignition lag in S. a
Explain with a diagram the stages of combustion in C. Unit .I.I.I. OR . a What are the major
pollutants found in S. Engines emissions b Write a short note on Emission Norms in India.
Engine b Explain the phenomenon of diesel knock. and C.I. Engine Discuss the effects of
various engine variables on ignition lag of S. c What is surface ignition How does it leads to
detonation in S. c What is swirl in C. Engine What are the methods to control knocking in S.
Unit . a How the knock can be detected in S. Engine OR .I.I. Engine.
Q. STRENGTH OF MATERIALS Common to Production S/W Course Time Hours Max.T.
from Section II. . From Section I and Q. or Q. The extension over the length of mm is . vii
Draw neat diagram whenever necessary. . iv Figures to the right indicate full marks. or Q.
mm and decrease in each side is . . v Assume suitable data if necessary. viii Use of cell
phone is prohibited in examination hall. i Answer Q. a A bar of certain material is mm mm in
cross section is subjected to an axial pull of KN. ii Answer to the two Sections should be
written in separate answer books. Marks N. I Examination. .O. Calculate i Youngs modulus ii
Poissons ratio iii Shear modulus iv Bulk modulus P. vi Due credit will be given to the correct
solution procedure and not to the final answer alone. or Q.E. Q. . or Q. .B. Q. mm. Q. or Q.
Production amp Industrial Engineering Sem. iii Use of electronic pocket calculator is allowed.
S. SECTION I . or Q.
F and F KN. OR . When F . F. Determine the values of E and E. is shown in Fig. When F
KN. length mm and modulus of elasticity E. a A light rigid bar ABCD pinned at B and
connected to two vertical rods.. mm. Take E for steel N/mm . F KN. b In fig. determine the
stress in each rod after the load P N is applied. F and F are axial Forces. the elongation of
AC is . length mm and modulus of elasticity E Rod BC has mm diameter. F KN and
elongation of AC is . Assuming that the bar was initially horizontal and rods stress free. b rod
AB has diameter mm. E for Aluminium N/mm . a.
Draw S. . b. KN.F. H has a hinge support at A and roller support at C. Find the maximum
value of stresses in steel and copper when combination is subjected to an axial pull of . Take
ES GPa EC GPa . and B. a composite member is made by connecting a steel bar and a
copper bar rigidily fixed at their ends.M. Two brackets are welded at B. b As shown in Fig. a
A beam of total span m is shown in fig. a. diagrams giving all important values.
b What uniformaly distributed load can a simply supported beam of span m of cross section
shown in fig. OR . if the permissible stresses are MPa in compression and MPa in tension.
and load diagram. b. Support A and B are m apart and overhanging BC m. a.F. a A beam is
simply supported at A and B. Construct S. can carry. is as shown in fig. The B.D.D.M. .
with two sides horizontal with a diagonal horizontal . If the shear force at a section of the
beam is s.l. compare the moments of resistance of a beam of square section placed. of kN/m
over a span of m. . Compute the stresses at A amp B and C amp D. b Prove that in the
curved beam the neutral axis is always laying below the centroidal axis.d. ii For a given
stress. b has a rectangular section mm wide by mm thick. a A symmetrical I section with
flanges mm mm and a web mm mm is used as a simply supported beam and carries u. OR .
a A beam of square section is placed horizontally with one diagonal placed horizontally.
derive the shear stress distribution expressions and sketch the shear distribution diagram for
the section. b i List the assumptions made in simple theory of bending. Evaluate maximum
bending and shear stresses and sketch shear stress distribution across the section. b The
circular link shown in fig.
SECTION II . a. there are two planes at right angles to each other on which the normal
stresses are MPa tensile on one plane and MPa compressive on the other plane
accompanied by a shear stress. b A thick cylindrical shell has mm internal diameter. It is
subjected to an internal pressure of N/mm. MPa. If the permissible tensile stress is N/mm .
evaluate the shear stress on two planes. a Find normal and shearing stress on the oblique
plane as shown in fig. Calculate i the hoop stress ii the longitudinal stress iii the change in
diameter and length Given E GPa. Determine the thickness of the shell. Poissons ratio . OR .
a At a point in a strained material. If the major principal stress is MPa tensile. m long.
Calculate the minor principal stress and also the maximum shear stress at a point. b A
cylindrical shell with closed ends. thickness of metal mm is subjected to an internal pressure
of . . mm in diameter.
m. The torque T N. is applied at the junction of the two segments. Compute the maximum
shearing stress developed in the assembly Take GAL GPa. OR . and steel segment has a
diameter of mm. a Two solid shafts of different materials are rigidly fastened together and
attached to rigid support as shown in fig. Gst GPa b Two bars shown are to absorb the same
amount of energy due to axial force. The aluminium segment is mm in dia. b. Ignoring the
effect of stress concentration compare the maximum stress induced in the two bars if they
are made of same material. See fig. . a.
m and twisting moment of KN.m. b Derive expression for critical load p on the column having
both ends hinged using Eulers method. A weight of KN is dropped on to a collar at the
bottom end. The internal diameter may be taken as . Take fc MPa and B/II// . b A vertical tie
bar. . b A hollow cylindrical cast iron column is metres long. before hitting the collar. OR . a A
solid shaft subjected to bending moment of KN. Use conjugate beam method. The rod and
the tube are securely fixed at both ends. . a For a simply supported beam acted upon by
weight W at the centre. consists of a steel rod. rigidly fixed at the top end. Take Es N/mm Eb
N/mm. falling freely through m. a Find the deflection of a cantilever beam at free end. Design
the column to carry an axial load of kN. both ends being fixed. find slope at the ends and
deflection under the load W. Find diameter of shaft if the permissible stresses in tension and
compression not to exceed MPa and MPa. metres long and m diameter encased in a bronze
tube mm internal and mm external diameter. Calculate the maximum instantaneous stresses
induced in bronze and steel. if the beam is subjected to uniformly varying load having
intensity zero at free end and w per unit length at fixed end by double integration method.
Use Rankines formula and adopt a factor of safety of . times the external diameter.
B. unity power factor ii the efficiency at half load. . b Write short note on welding
transformer.E. amp Electronics and Telecommunication Semester II Examination. a Explain
different losses taking place in phase transformer. OR .T. Marks N. power factor. At full load
its copper loss is W and its iron loss is W. What useful information can be obtained from
these tests b A transformer is rated at KVA. v Use of nonprogrammable pocket size scientific
calculator is permitted. c Write short note on auto transformer. Calculate i the efficiency at full
load. S. P. power factor iv the load KVA at which maximum efficiency will occur v the
maximum efficiency at . Elex. i Answer three questions from Section I and three questions
from Section II. power factor iii the efficiency at full load. . ii Answer to the two Sections
should be written in separate answerbooks. . a Draw a neat connection diagram for carrying
out OC and SC tests on a single phase transformer in the laboratory. vi Assume suitable
data if necessary. iii Neat diagrams must be drawn wherever necessary. SECTION I .O.
ELECTRICAL CIRCUITS AND MACHINES Course Time Hours Max. iv Figure to the right
indicate full marks.
Calculate the resistance to be inserted in series so as to reduce the speed to rpm. .
Determine the readings of two Wattmeters if the power factor of the load is i unity iii . diagram
and phasor diagram how total active power can be measured using two Wattmeter method in
a three phase balanced star connected inductive load. V. lagging iv zero lagging What is the
maximum possible reading of either Wattmeter OR . determine i Total torque iii Useful flux
per pole ii Useful torque iv Efficiency . Its armature resistance is . It has conductors. wave
connected shunt motor gives KW when running at rpm and drawing armature and field
currents of A and A respectively. . Two Wattmeters are connected in the usual manner to
measure power. Assuming a drop of V per brush. b A balanced load of KVA is connected to
a three phase three wire system. b A V dc series motor runs at rpm and takes A. a What is
the necessity of starter for dc shunt motor Explain with a neat sketch. . working of point
starter bring out the protective features incorporated in it. OR . a What are the different
methods of speed control of dc shunt motor Explain in brief with diagram. b A pole. leading
and ii . Combined resistance of armature and field is . assuming the torque to vary as square
of the speed and linear magnetisation curve. a Explain with neat ckt.
ii The input to the motor. determine i Rotor Copper loss iii The efficiency Total stator loss is
watts. phase supply. Hz. Write down the expression for Wattmeter reading. maximum torque
and normal operating region. reactive power KVAR. phase induction motor running on full
load develops a useful torque of Nm. star connected load is connected across a V. Hz. A
Wattmeter is connected with its current coil in R line and pressure coil across Y and B lines
and reading is W. apparent power KVA and the p. SECTION II . a What is necessity of
starter for phase induction motor Sketch rotor resistance starter diagram. j . b A phase slip
ring inductor motor gives a reading of V across slip rings when at rest with normal stator
voltage applied. The phase sequence is RYB.f. b A balanced. . and takes A from the supply.
and . per phase. at a frequency of . b Compare squirrel cage and slip ring induction motor.
OR . If the mechanical torque lost in friction be Nm. Find the rotor current when the machine
is i at standstill with the sliprings joined to a star connected starter with a phase impedance of
j and ii running normally with slip. Calculate the shaft power output. c A pole. a Draw and
explain Torqueslip char of phase Induction motor showing clearly the starting torque. a
Explain with neat connection and phasor diagram how total reactive power can be measured
using single Wattmeter in a three phase load ckt. The rotor is star connected and has an
impedence of . Find the active power of the load KW.
V. Draw its torque speed char and state its applications. a What is hunting in synchronous
motor and how it is minimized b Compare synchronous motor and induction motor with
reference to operating characteristics. Explain its significance. lagging OR . Comment on its
torque speed char and give its applications. a Define voltage regulation of an alternator.
leading ii Unity iii . Calculate the percentage regulation for a load of KW at power factors i . c
A phase Star connected alternator is rated at KVA. . and respectively per phase. power
factor. . a Explain principle of working of a shaded pole motor. The armature effective
resistance and synchronous reactance are . B/II//. b Discuss the constructional features and
principles of operation of hysteresis motor. b Compare salient pole and nonsalient pole type
of alternator. Write short notes on any three a Stepper motor b Servo motor c Universal
Motor d Reluctance Motor. c Why synchronous motor is not self starting What methods are
generally used to start the synchronous motor . auxiliary equipment and application. c What
are the modifications to be incorporated to enable a dc series motor to work satisfactorily on
as supply OR .
if necessary. a State and explain the following i Fouriers Law of conduction ii Newtons Law
of cooling iii StefanBoltzman Law of cooling b Explain Rayleighs method of dimensional
analysis. v Assume suitable data. SECTION I . S. HEAT TRANSFER Common to BioTech.T.
II Examination.O. iii Black figures to the right indicate full marks. Chemical Engineering Sem.
Course Time Hours Max. slide rule. ii Neat diagrams must be drawn wherever necessary. c
What are different applications of Dimensional Analysis OR . a Explain significance of
following dimensionless numbers i Stanton number ii Nusselt number b Explain different
modes of heat transfer. iv Use of logarithmic tables. c By Buckinghams method of
dimensional analysis show that for forced convection heat transfer Nusselt number is
function of Reynolds number and Prandtl number.B. i Answers to the two Sections should be
written in separate books. P. Mollier charts. electronic pocket calculator and steam tables is
allowed. Marks N. .E.
. a Air at C is flowing across a tube with a velocity of m/s. ReD. OR . c Compute the heat
loss from a cm thick furnace wall having surface temperature of C and C. Compare the rates
of heat flow in each case. OR . m. a What is Insulation Explain critical radius and optimum
thickness of Insulation.. k T/ Where. Re D. Use. the properties of air are . The thickness of
the wall is . b An aluminium rod mm in diameter and mm long protrudes from a wall which is
maintained at C into the environment maintained at C. a What are fins Explain different
types.. Data k for aluminium W/mK h between rod surface and environment W/mK. The
temperature of the inner and outer surface are C and C. m / sec . Estimate the heat loss by
rod assuming that the rod end is isulated. Pr . Pr. K W/mK. T is temperature in C. b Draw a
neat sketch and explain different in pool boiling. The tube surface temperature is C. NuD . for
circular tube NuD . The thermal conductivity K of the material is given by. The tube could be
either a square with cm or a circular cylinder of diameter cm. Pr. for square tube At C. . What
is efficiency and effectiveness of fin b Calculate temperature at an interior point of the wall
distance cm from inner surface of wall.
m long has been placed horizontally and exposed to air at C. c Explain the term LMTD. At
the mean temperature of C. m / s Pr . If the overall heat transfer coefficient is W/m K surface
area available for heat transfer is . . calculate outlet temperature of two fluid and
effectiveness of heat exchanger. If the wall temperature is C. a Calculate the heat flux
emitted due to thermal radiation from a black surface at . Cooling water is available at C.
determine the rate of heat loss. b A heat exchanger is designed to cool Kg/hr of liquid C
having specific heat value J/Kg. b Derive Nusselts equation of condensation over vertical
plate. Cp HO J/Kg. . . a A steam pipe mm diameter and . OR . K using parallel flow
arrangement. W / m K b What are the different laws of thermal radiation Explain. c Discuss
radiation shields. kcal/mhrK . K . . OR . a What is heat exchanger Explain the detailed
classification of heat exchanger. At what wavelength is the monochromatic emissive power
maximum . m. . the thermophysical properties of the air are k . Take water flow rate Kg/hr.
SECTION II . K. a State and explain the following terms in radiation heat transfer i Black
body ii Gray body iii Emissive power iv Emissivity v Wavelength of electromagnetic waves b
What is Wiens law of displacement Derive the expression.
The evaporator is working at reduced pressure. MPa KJ/Kg. B/II// . b Discuss the following i
Boiling point elevation ii Capacity and economy of evaporator OR . kg/h. MPa saturated
temperature of K Feed rate to the evaporator is . KJ/KgK Latent heat of condensation of
steam at . flowing at a rate of Kg/s. . b What are the different feed arrangements in multiple
effect evaporators Give the comparison between forward feed and backward feed
arrangement of the evaporator. . The overall heat transfer coefficient is . Estimate steam
economy and heat transfer surface for Feed introduced at K and Feed introduced at K Data
Specific heat of the feed . b kg/s of water at K entering a heat exchanger is to be cooled to K
by using cold water at K. KW/mK. a Derive the NTUeffectiveness correlation for parallel flow
heat exchanger. If the overall heat transfer coefficient is W/mK. Steam is available at a
pressure of . a A solution containing solid is to be concentrated to a level of solid. calculate
the heat transfer area required in Concurrent flow concentric pipe heat exchanger and
Countercurrent flow concentric pipe heat exchanger. such that boiling point is K. a What are
the different types of evaporators Explain any one in detail.
or Q. or Q. or Q. Petroleum / Petrochemical / Polymer Sem. Q. iv Assume suitable data. iii .
or Q.O. M HPO to g/l. No. . No. SECTION I I.E. PROCESS CALCULATIONS Course Time
Hours Max. II Examination. or Q. No. Q. OR P. caustic soda. No. c What will be the NaO
content of lye containing . if necessary. No. vi Figures to right hand side indicates full marks.
How many gallons are saved in a mile trip b Do the following conversions i g/l HSO into
normality. No. a Your boss announced that the speed of the company Boeing is to be cut
from mi/hr to mi/hr to conserve fuel. thus cutting consumption from gal/hr to gal/hr. S. No. No.
.No. or Q.No. ii Attempt Q. mg/ml of COOH solution into molarity. iii Answers to the two
Sections should be written in separate answer books. v Refer to steam table if necessary. ii .
Marks Instructions i Attempt Q. Q. in Section I. No. . or Q. .T. No. in Section II.
Yield and Selectivity. assuming air follows ideal gas laws. CaO by wt. b Differentiate
between Batch.. a Define Fractional Conversion. . b A sample of limestone is found to
contain . calculate the quantities of each of the three acids required for blending. OR . . HNO.
CO . Extent of Reaction. If this CaO is present as CaCO in the limestone. find the content of
CaCO in the limestone sample. . Semibatch and Continuous operations. How many tons of
limestone is needed to make ton of lime. . Moisture . a It is required to make kg of mixed acid
containing HSO. HNO and rest water by blending i the spent acid containing . SbS Fe Sb
FeS . atm. a Find Density of air having approximate composition N .. and rest O at a
temperature of C and external pressure of . . All percentages are by mass. b Antimony is
obtained by heating pulverized stibnite SbS with scrap iron and drawing off the molten
antimony from the bottom of the reaction vessel. HSO. HSO and rest water. ii aqueous HNO
and iii aqueous .
kg of stibnite and . Calculate i The limiting reactant ii The degree of completion of reaction iii
The percent conversion iv The yield . find the bubble point at a pressure of kPa. . . a Define
single phase and multi phase systems. d For a vapor mixture of ammonia NH and sulfur
dioxide SO with a molar proportion of . C . kg of iron turnings are heated together to give .
differentiate between them with help of suitable example. b What is an Ideal Solution c
Define vapor pressure and highlight its significance. B . OR . Antoine coefficients are given
below. Component NH SO A . . where vapor pressure is expressed in mm Hg and
temperature is in K. kg of Sb metal. Suppose that .
H an NH are present at equilibrium ii Which is the limiting reactant and why iii What is the
amount of theoretically required H and what is the excess of hydrogen iv What is the degree
of completion of the reaction SECTION II . . b Nitrogen and hydrogen combines to produces
ammonia by following equation N H NH If kg of nitrogen and . a Heat capacity of certain
gaseous substance can be given by Cp . . OR . Calculate i How many kg moles of N.
Calculate heat required to raise temperature from C to C. K where T in K. b What is the need
and necessity of energy balance in Process Calculations Explain with help of suitable
examples. and it is found that there are kg moles of gases present at equilibrium. Standard
Heat of Reaction. T . c Define Latent Heat. Psychrometry. Humidity and Enthalpy of Humid
Air. T kJ kmol. a Define Absolute Humidity. kg of hydrogen are brought together and allowed
to react at C and atm. pressure.
K. Melting point K. a Tin is melted in an open pan using a jacket. The jacket is fed with the
vapors of an eutectic mixture of diphenyl diphenyl oxide at kPa abs. . . OR . it contains sulfur
by wt. Tin is fed to the pan at C. Data for Tin Molar mass . . latent heat of fusion kJ/kmol.
Latent heat of diphenyl diphenyl oxide kJ/kg. . by wt. T where T is in K and Cp is in J/g mol.K.
Calculate the quantity of eutectic mixture of the diphenyl diphenyl oxide condensed per kg of
tin melted at its melting temperature. . . O . where T is in K. by ORSAT analysis. a The
exhaust gas from a hydrocarbon fuel fired furnace have analysis CO . Calculate percentage
excess air used in the furnace. b Two gram moles of nitrogen are heated from C to C in a
cylinder. a A sample of fuel oil has C/H ratio . . The net calorific value of the fuel oil is kJ/kg at
K. T .. Cp . Assume no subcooling of vapors. T kJ/ kmol. Calculate its gross calorific value
using latent heat of water at K. What is H of the process The heat capacity equation is Cp . N
.. b Write short notes on Proximate and Ultimate Analysis of Coal sample.
kJ/mol. a To produce aqueous hydrochloric acid. The feed water can be assumed to be at C
and the exit product aq. purified HCl g is absorbed in water in a talcum absorber in a
continuous process. kJ/mol Standard heat of formation for HO . J/g. kJ/mol Standard heat of
formation for NO . c Calculate heat of reaction for the following reaction of mol of ammonia
NH g O g NO g HO g Data Standard heat of formation for NH . HCl is by wt. K and heat of
formation of diluted HCl solution J/mol HCl. what value of H rxn will you use in the energy
balance per kg of FeS fed OR . If standard heat of reaction is calculated to be . at C. Data Cp
of product mixture can be approximated to . b Define Calorific Value and its highlight its
significance. How much heat must be removed from the absorber per kg of product if hot HCl
g at C is fed into water in the absorber. kcal/g mol FeS s. b Write short note on determination
of heat of solution and heat of mixing. c In the reaction FeS s O g FeO s SO g. The
conversion is only complete. .
. The composition of coal is Carbon . B/II// . Assume density of salt solution be almost equal
to that of water. Hydrogen . ii Theoretical dry air requirement per unit mass of fuel and iii
Orsat analysis of flue gas obtained with excess air. . and Moisture . Ash . Oxygen . Nitrogen .
Calculate i Theoretical oxygen requirement per unit mass of coal. Water runs into the tank at
the rate of gal/min and salt solution overflows at same rate. . . a A tank holds gal of water salt
solution in which lb of salt is dissolved. how much salt will be in the tank at the end of min. If
the mixing in the tank is adequate to keep the concentration of salt in the tank uniform at all
times. . b A coal with given composition is burnt with excess air. Sulfur . .
Neat diagrams must be drawn whenever necessary.B Answer any three questions from
each Section. b If Fourier Transform F x t X f and F y t Y f. Give examples of each system.
State formula for calculating modulation index of an AM signal displayed on an oscilloscope.
a Compare half duplex and full duplex communication systems. a Define modulation index
forAM signal.T. and Vmin . Information Technology Semester II Examination. Marks N. S.E.
Assume suitable data if necessary. .O. a Draw block diagram of the basic communication
system and explain the functions of all blocks. OR P. Figures to the right indicate full marks. .
slide rule. Use of logarithmic tables. b Calculate the Fourier Transform of the signal y t x t cos
OR ct . electronic pocket calculator and steam tables is allowed. Mollier charts. Draw these
signals in time domain and frequency domain. b Compare DSBFC Double Side Band Full
Carrier and DSBSC Double Side Band Suppressed Carrier. PRINCIPLES OF
COMMUNICATION ENGINEERING Course Time Hours Max. Answers to the two Sections
should be written in separate answerbooks. An AM wave displayed on an oscilloscope has
values of Vmax . Calculate the modulation index and percentage of modulation. Prove that F
x t y t X f Y f .. SECTION I .
b Enlist benefits of Single Slide Band transmission. a Draw and explain block diagram of FM
transmitter. Support your answer with suitable block diagram. a Explain the concept of FDM
with suitable diagram of transmitting end and receiving end system. a Compare single
conversion and double conversion super heterodyne receiver. OR . b Define modulation
index for FM signal. a Describe the following terms with reference to an antenna i
Polarization iii Beam width v Directivity b Compare half wave dipole and folded dipole. b
Draw and explain block diagram of SSB transmitter. Explain why FM is called constant
bandwidth system. . Also sketch the spectrum of an FDM signal. OR ii Radiation Pattern iv
Characteristic Impedance . SECTION II . a Explain DTMF telephone system. . b Explain
concept of cellular system. OR . a Compare and contrast AM and FM. . b Explain the
operation of a pulse code modulation system.
a Draw spectrum of a broadcast TV signal. Discuss any one technique of error detection and
correction. . b Compare and contrast the following types of optical fibers i Single Mode ii
Multimode iii Step Index iv Graded Index B/II// . Support your answer with a suitable
example. a Compare asynchronous and synchronous communication. Explain Interlaced
scanning. . a Draw and explain block diagram of a fiber optical communication system. Enlist
benefits of it over wireless communication. c Explain satellite TV transmission and reception.
What are its advantages b Discuss DTV standards. b Explain the need of communication
protocols. OR .
f . mm. f . Use of logarithmic tables. Marks Instructions Answers to the two Sections should
be written in separate books. b What are the functions of cutting fluid And how will you select
it for given operation OR . . C A minute tool life was obtained while cutting at V m/min. a The
following equation for tool life is given for a turning operation VT . Mechanical Semester II
Examination. and d . Mollier charts. the following observations have been made Depth of cut
mm Feed . feed and depth of cut are increased by individually and also taken together.
SECTION I . if necessary. MANUFACTURING PROCESSES II Course Time Hours Max. S.
slide rule. Speed m/min Tangential cutting force N Feed thrust force N Chip thickness . Black
figures to the right indicate full marks. Assume suitable data.T. Neat diagrams must be drawn
wherever necessary. a During machining of C steel with mm ORS shaped tripple carbide
cutting tool. electronic pocket calculator and steam tables is allowed. mm/rev. mm/rev.O.E.
Determine the change in tool life if the cutting speed. mm P. d .
c Write the function of following i G ii G iii M iv T v G vi M. . OR . b Draw Marchants circle of
force. Calculate i Shear force ii Normal force at shear plane iii Friction force iv Kinetic
coefficient of friction. the principle of thread cutting on lathe. State the advantage of NC
machine over conventional machine. c What are the types of chips Explain its characteristics
and effect on machining. b What is indexing How and why it is performed for gear
manufacturing c Explain with neat sketch. a Explain linear and circular interpolation with neat
sketch. a Explain geometry of broach with neat sketch. . b List the types of broaching
machines and explain any one type. a Write short note on Thread Rolling. OR . b Define NC.
c Explain the gear sheaping process with neat sketch.
Calculate cutting force required. State its advantages. b Draw neat sketch of i Progressive
die ii Compound die. . Explain with neat sketch. b Explain Laser Beam Machining with neat
sketch. the following processes. limitations and applications i EDM ii IBM. draw neat sketch
of it. OR . a The square blank of size mm is to be cut. ultimate shear strength N/mm. a
Explain the principle of Electrochemical Machining with neat sketch. Write short note on i
Automatic tool changers ii NC part programming iii FMS. OR . from aluminium sheet of . c
Name the abrasive and carrier gases used in AJM. . b What are the methods of reducing
cutting force in press tool . SECTION II . Determine the dimension of die and Punch. Draw
neat sketch of die and punch assembly. a Why stripper are required What are the different
types of stripper. State its applications. mm thickness.
c Explain different types of locating elements. b Explain selection criteria for clamping
devices. . a Explain the difference between jig and fixture. c Write note on quick acting
clamping devices. OR . c Define the following any five i Penetration ii Blanking iii Punching iv
Strip layout v Staggering vi Pilot. b Explain box type jig with sketch. a Full Proffing as a
locating principle. B/II// . explain.
O. Use of logarithmic tables. m . Assume suitable data. m depth. a A tank with vertical sides
is . Calculate The total pressure on one side on the tank The position of the centre of
pressure for one side of the tank. Taking that a two surfaces are uniformly separated by a
distance of . b A shaft of mm diameter rotates at rpm in a mm long bearing. m . m deep. The
upper remaining part is filled with oil of specific gravity . if necessary. c Draw a sketch of the
Bourdon gauge and explain shortly how it is used for measurement of pressure. Mechanical
S/W Semester II Examination.E. Answers to the two Sections should be written in separate
books. Marks Instructions Answer three questions from Section I and three questions from
Section II. NS/m. SECTION I . slide rule. Mollier charts. find the power absorbed in the
bearing. OR . Neat diagrams must be drawn wherever necessary. It consists water for the
lower ..T. S. electronic pocket calculator and steam tables is allowed. a Explain the following
terms i viscosity ii specific gravity iii surface tension. P. . mm and taking linear velocity
distribution in the lubricating oil having dynamic viscosity of . b What is manometer Describe
a differential manometer. FLUID MECHANICS AND MACHINERY Course Time Hours Max.
c A venturimeter with a mm diameter throat is installed in a mm diameter pipe line. Take the
specific weight of the liquid as N/m and atmospheric pressure as kPa. Show that the flow is
irrotational and continuous. OR . a State and prove Eulers equation of motion. Assuming cd
for the meter is .. . b Differentiate between energy and energy head. find the maximum flow
for which it may be used. . at any point shall fall below kPa absolute. a Distinguish between
rotational and irrotational flow. The centre of gravity of the cube is mm below the geometric
centre in a vertical line passing through it. A weight equal to of the weight of the cube is
placed at the middle point of one of the top edges of the cube. Obtain the velocity potential
function. Find the angle through which the cube will tilt due to this additional weight. The
pressure at the entrance to the meter is kPa gauge and it is undesirable that the pressure
should. OR . a A cube of side m floats in water with half its volume immersed and its bottom
face horizontal. b A stream function follows the law x y . c A stream function is given by xy .
Obtain Bernoullis equation from Eulers equation. b State the conditions of equilibrium of a
floating body.
c Define impact of jets. a Show that the force exerted by a jet of water on an inclined fixed
plate in the direction of the jet is given by Fx aV sin a area of jet. The buckets deflect the jet
through an angle of degree. Calculate the power given by water to the runner and the
hydraulic efficiency of the turbine. . What is relation between them b A mm diameter pipe
meters long connects two reservoirs. inclination of the plate with the jet. OR . b Explain
NPSH Performance characteristics of centrifugal pump. . a Explain impulse momentum
principle. If the discharge through the pipe is . c Show that for maximum power transmission
the head lost due to friction is equal to onethird of the head at inlet. Derive equation for work
done by the jet on the plate per second. . Coefficient of velocity and coefficient of discharge...
b Prove that the force exerted by a jet of water on a fixed semicircular plate in the direction of
jet when the jet strikes at the centre of the semicircular plate is two times the force exerted by
the jet on an fixed vertical plate. Consider all losses. find difference in elevations between the
water surfaces in the two reservoirs. V velocity of jet. OR . a Define coefficient of contraction.
a A pelton wheel has a mean bucket speed of meters per second with a jet of water flowing
at the rate of litres/s under head of meters. Take f . Assume coefficient of velocity . what is
impulse b Derive equation for force exerted by the jet of water on the curved plate in the
direction of the jet when plate is moving in the direction of jet also. m/sec.
. . a Resistance R to the motion of supersonic air craft of length L moving with velocity V in
air of mass density depends upon viscosity and bulk modulus of elasticity K of the air. Obtain
using Buckingham theorem. b Write short note hydraulic ram jet pumps accumulators. kW.
Determine Guide blade angle Runner vane angles Width of wheel at inlet Dia. b Explain
Centrifugal pump classification Specific speed of pump. Discharge is radial velocity of flow is
constant. overall . outlet dia of runner inner dia. the expression for R R L V Re. B/II// .
hydraulic . a Following data is given for a Francis turbine. Net head H m. shaft power . M b
Derive expressions for following dimensionless parameters Reynolds Number Mach Number.
speed rpm. . of runner at inlet and outlet. Thickness of vanes occupy of circumferential area
of runner. Breadth diameter at inlet . a What is dimensional homogeneity What do you
understand by dimensionally homogeneous equation Give two examples. of runner. flow
ratio . OR .
. a Explain Bomb calorimeter with a neat sketch. b How will you carry out flue gas analysis
OR .T. a Explain working of centrifugal pump.C.B. S. c Classify boilers in detail. b Compare
impulse and reaction turbine. a Explain two pass surface condenser. c With a neat sketch.E.
State the advantages of Reheat cycle.O. a Explain Reheat cycle with TS diagram. Electrical
Semester I Examination. b Explain i Pulverised coal firing system ii F. OR . b Compare
surface and jet condensers. UNIT . explain construction and working of Pelton wheel.
POWER PLANT ENGINEERING Course Time Hours UNIT . Marks P. d Write a short note
on cooling towers.
b With the help of a neat sketch. b Make a layout of a modern diesel power plant showing
the following systems i Air intake system ii Cooling system iii Fuel supply system iv
Lubrication system v Exhaust system. UNIT . OR . explain the working of hydro electric
power plant stating the function of different components. . UNIT . a Classify hydro power
plants and explain pumped storage plant. b What factors should be taken into consideration
while selecting the site for steam power plant c State at least four advantages and four
disadvantages of hydroelectric plants. a Comment on Developments of a gas turbine plants
in India. c Explain i Hydrograph ii Flow duration curve. a Draw the layout of a modern steam
power plant and explain it briefly. a State the advantages and disadvantages of Diesel Power
Plants. b Describe with a neat sketch the working of a closed cycle gas turbine. Also state its
merits and demerits. OR .
b Explain boiling water reactor. a Explain with the help of a neat diagram the construction
and working of a nuclear power plant. a With a neat sketch. c Write a short note on
Renewable energy development program of India. b Write a short note on solar collectors. c
What are the advantages and limitations of tidal power generation OR . UNIT . a Explain
open cycle MHD generator with a neat sketch. c Write a short note on i Nuclear materials ii
Nuclear waste disposal. explain working of Tidal Power Plant. B/II// . a What factors should
be considered while selecting materials for the various reactor components b List down some
safety measures for nuclear power plants. UNIT . b State the advantages and drawbacks of
MHD system. How does it differ from pressurised water reactor OR .
slide rule. OR . . reluctance. explain absolute measurement of resistance. How the accuracy
can be improved using this set up b Derive dimensions of following electrical quantities using
SI system of unitsFlux density. How errors can be minimized in this method b Explain the
termsAccuracy. b Describe wattmeter method of measurement of iron loss. Also write the
remedies to reduce errors. c Explaingross error.E. P. a With a suitable diagram.
ELECTRICAL MEASUREMENTS Course Time Hours Instructions Max.T. S. b Give
classification of resistance. Neat diagrams must be drawn wherever necessary. explain
absolute measurement of current. if necessary. random error. State two methods each for
measurement of resistance of each category. c Write a short note on permeammeter. Mollier
charts. c Explain parallex error. a With a suitable diagram. Electrical Semester I Examination.
Marks Answer any questions from each Section. electronic pocket calculator and steam
tables is allowed. Use of logarithmic tables. Black figures to the right indicate full marks. a
State the difficulties involved in measurement of high resistance. . Assume suitable data.
linearity. Answers to the two Sections should be written in separate books. limiting error. OR
.O. a Draw circuit diagram of Kelvins double bridge and derive the expression for unknown
resistance. SECTION I .
b What are the different types of detectors used in a. bridges c State the advantages of
Andersons bridge. Damping constant is Nm/rad. which one meter will have high sensitivity
Meter A has range V and multiple resistance of k . Both meters have basic coil resistance of
k . The coil dimensions are mm mm. derive the expression for unknown capacitance in case
of schering bridge. explain fluid friction and eddy current damping. Write short notes on any
two a Synchroscope b Mechanical resonance type frequency meter c Power factor meter. b
Out of following two meters. Comment on shape of scale. SECTION II . . . OR . with moment
of inertia of kgm and resistance of . b A DArsonal galvanometer operates with a flux density
of . Find the deflection for current of Amp and value of Critical Damping Resistance CDRx.c.
of turns are . c Draw and explain construction and operation of repulsion type moving iron
instrument. Meter B has range V and multiple resistance of K . sec. no. The spring constant
is Nm/rad. mWb. c What is meant by integrating and indicating instruments OR . a With
circuit diagram. State its advantages and disadvantages. a What is necessity of damping
torque in an indicating instruments With neat sketch. a Draw and explain construction and
working of moving coil instrument.
unity power factor for hours. i If the impulses made during this are .f. b A V. a Explain
various errors and their adjustments of single phase induction type energy meter. i Nominal
ratio ii Burden. OR . . V. Find reading of each wattmeter. b With neat connection diagram and
phasor diagram. . Calculate the no. Also state applications. a Explain with neat circuit and
phasor diagram two wattmeter method to measure active. for an hour. a Explain If the
primary of CT is energised. . a Explain with neat diagram. why secondary of CT should not
be kept open./kwh. c A wattmeter reads KW when current coil is connected in yellow phase
and pressure coil is connected between Red and Neutral for a balanced symmetrical phase
system supplying three phase inductive load of Amp at volts. c Explain construction and
operation of single phase induction type energy meter with neat diagram. of impulses made
by it when connected to a load carrying A. lagg. load has power factor of . explain which
power will be read by wattmeter if current coil is connected in yellow phase and pressure coil
is connected in red and blue phase. If it actually makes impulses. c Define the following
terms associated with instrument transformer. Phase sequence is RYB. c What are different
types of errors in dynamometer type wattmeter OR . reactive power and power factor of load.
b An energy meter is designed to make impulses of LED for one unit of energy. when
operating at V. energy meter is connected to a constant load of A. What will be the reading of
wattmeter if connections of current coil are unchanged and pressure coil is how connected
between Red and Blue phases Find total reactive power for this case. The two wattmeters
read a total power of KW. find the error. of impulses made by LED are . ii Calculate the
power factor of load if no. what is meter constant in imp. construction and working of low
power factor type wattmeter. p. Amp for hours. B/II// . b A three phase V.
P. b Explain the operation of any one type of multistage amplifier. b Compare BJT and FET
as an amplifier. S. Mollier charts.T. electronic pocket calculator and steam tables is allowed.
a Draw and explain the pin diagram of OpAmp IC . . .O. Answers to the two Sections should
be written in separate books. b Draw a neat circuit diagram of Zero Crossing Detector using
OpAmp. a Explain working of transistor as a amplifier in CE configuration. Electrical
Semester II Examination. a Explain operation of IC as a Monostable Multivibrator. Marks
Instructions Answer questions from Section I and questions from Section II. if necessary. OR
. ANALOG AND DIGITAL ELECTRONICS Course Time Hours Max. b Define the following
terms related to IC CMRR Voltage Gain Slew Rate Band Width PSRR. Neat diagrams must
be drawn wherever necessary.E. OR . Assume suitable data. Use of logarithmic tables.
SECTION I a Draw and explain working of RC coupled transistorized amplifier. Also explain
its operation with waveforms. slide rule.
. b Explain the working of bit SISO with clocked output. a Explain the working of SAR type of
Analog to Digital converter. Write short note on any three i OptoIsolator ii LCD display
system iii Semiconductor memories iv Optoencoder v Encoder. a Explain the difference
between Synchronous and Asynchronous Counter. OR . a With the help of neat diagram
explain the working of LM voltage regulator. b Explain the working of T flip flop. b Explain the
working of protection circuit used for voltage regulator. a What is Race Around condition in
JK flip flop Also explain techniques to avoid it. B/II// . OR . b Draw and explain working of bit
Johnsons ring counter. . OR . a Explain the operation of PRESET and CLEAR in flip flop. b
Give comparison between sequential and combinational logic circuit. b Explain the operation
of DeMultiplexer DEMUX with truth table. OR . a Explain the working of bit MOD
Asynchronous DOWN Counter. . b Explain the working of Digital to Analog converter. a
Explain the operation of segment LED display with common anode system in detail.
SECTION II .
electronic pocket calculator and steam tables is allowed. Use of logarithmic tables. S. a
Differentiate between i Dependent and independent sources ii Unilateral and bilateral
networks b Determine the value of RL so as to have maximum power transfer to RL in the
circuit shown in b. Elex. slide rule.E. Assume suitable data. if necessary. SECTION I .T.
Answers to the two Sections should be written in separate books.O. Black figures to the right
indicate full marks. . Mollier charts. Fig. Neat diagrams must be drawn wherever necessary.
Marks Instructions Answer questions from Section I and questions from Section II.
NETWORK THEORY Course Time Hours Max. b P.E amp TC Semester I Examination.
All resistors are in ohms. Fig. c OR . c Use mesh analysis to find V in the circuit of fig. c if
element A is i a Short circuit ii a V independent voltage source positive reference on right.
Fig. . a Find the current through branch a b using mesh analysis of fig a. b c State and prove
maximum theorem applied to AC circuit. Fig. a b Using current shifting to find current IAB in
the circuit shown in fig b.
a What do you mean by resonance What is antiresonance b A resistor is connected in series
with an inductor and a capacitor across a V variable frequency supply. This circuit is loaded
by a resistance of k in parallel. b. b Derive an expression for bandwidth of an antiresonant
circuit. a What is time constant Explain time constant in case of series RL and series RC
circuit. Refer fig. b . OR . A and potential difference across capacitor is V. Calculate i Value
of required capacitor ii Resistance of coil iii Circuit impedance at resonance with load.
Calculate i Capacitance of capacitor and ii Resistance and inductance of inductor. c Derive
expression for impedance of parallel resonance circuit. Fig. c A parallel resonant circuit has a
coil of H with a Q of are resonated at MHz. . . b Find Vt. When frequency is Hz the current is
maximum and equal to . it for t gt if switch is closed at t after being open for a long time. a
What is Q factor Find value of Q factor for an inductor and capacitor.
c The circuit given in fig. Fig. c. c is in steady state when switch is opened at t . b . b. Sketch
it. c OR . vLt as indentified in fig. Find expression for iLt. Fig. a Define and explain the
characteristics of i Unit step function ii Unit ramp function b Determine it for all values of time
in the circuit of fig.
Determine the components of the network. c SECTION II . c. c Determine insertion loss of
the network shown in fig. Fig. c In how many seconds after t has the current it become one
half of its initial value in the given circuit shown in fig. c. Fig. b A symmetrical Tsection consist
of pure resistances has open and short circuit impedances of and respectively. a Define and
derive Image Impedance as applied to Lsection. c OR .
. characteristic impedance . c having only one port.b. Fig. . . c A constant prototype HPF has
cut off frequency of KHz and design impedance of . Find the element values of L and C. Also
find attenuation in dB and phase shift in degrees at frequency of KHz. a Explain the
significance of poles and zeros. Fig. b c Find the driving point admittance function for the
given network as shown in fig. c OR . a What is the need of composite filter and draw the
block diagram of it b Design a T type attenuator with following specifications. b Find the input
impedance Zin S and plot its poles and zeros for the circuit shown in fig. Attenuation dB.
Fig. c . a Explain different types of inter connections of two ports. c For the network shown in
fig. b. OR . a State different network function for two port network. b Find the z parameters
for the network shown in fig. plot poles and zeros of function I . b State the essential
properties of driving point function and transfer function. b c Derive condition of reciprocity
and symmetry for y parameters.c. Ii Fig. .
c. b Obtain the Y parameters of the network shown in fig. . b c Find the transmission
parameters for the network shown in fig. Fig. Fig. b. a Obtain Z parameters in terms of hybrid
parameters. c B/II// .
Mollier charts. slide rule.T. Tech. b A dc generator has an armature emf of V when the
useful flux per pole is mWb and the speed is rpm.E. and Rf . Upon conducting other tests it is
found that Ra . Assume that stray loss is of output. V. . While brush drop is V. ELECTRICAL
MACHINES AND UTILIZATION Course Time Hours Max. P. amp Commun.A. a With the
help of a neat diagram explain three point starter used for d. Answers to the two Sections
should be written in separate books. a Explain commutation process in dc motor. OR .
Semester I Examination. Assume suitable data. b A kW. Calculate the motor efficiency at a
shaft load of kW at rated voltage with a speed of rpm. i With the same flux per pole and
speed rpm ii With a flux per pole of mWb and speed rpm. if necessary.m. shunt motor. Neat
diagrams must be drawn wherever necessary. Calculate the generated e.f. SECTION I .c.
Black figures to the right indicate full marks.O. while its speed is rpm. electronic pocket
calculator and steam tables is allowed. Use of logarithmic tables. S. Marks Instructions
Answer any questions from each Section. Printing Engg. rpm dc motor when tested on no
load at V draws a armature current of . Answer questions from Section I and questions from
Section II.
the supply frequency is Hz and the standstill emf per rotor phase is V find out the full load
torque. Explain group drive and individual drive. OR . a Explain advantages of electric drive. i
What is p. Take full load slip as . a Derive the expression for rotating magnetic field in the
rotor of a ph induction motor. and .f. kW after reversing the connections of pressure coil
calculate i Total power ii Power factor iii Line current. neglect armature resistance. b The
rotor resistance and standstill reactance of a ph induction motor are respectively . Find the
minimum current and the corresponding induced emf for full load condition. a Explain
following components used in printing industry i Electric Encoders ii Micro switches iii
Contactors iv Photo cells b Power input to a ph. kW while other reads . b A phase
synchronous motor of W at V has synchronous reactance of per phase. OR . It was observed
that one wattmeter reads . a Explain starting methods of single phase induction motors. a
Explain synchronouscondenser application of synchronous motor with relative phasor
diagram. at a slip of iii If the number of poles is . V.f. per phase. The efficiency of the
machine is . . Hz induction motor is measured using two wattmeters. b Explain in detail a
single phase shaded pole induction motor. . of motor at start ii What is p. b Explain stepper
motor with neat diagram and states its applications. OR . SECTION II .
a Explain construction and working of dielectric heating with suitable applications. . b Write
short notes on i Neon lamp ii Sodium Vapour Lamp. a Explain various methods used for
temperature control of electric furnaces. . b Explain step by step procedures used while
designing industrial workshop and flood lighting scheme. . b State electrochemical
equivalent. B/II// . a State and explain following factors i space to height ratio ii absorption
factor iii coefficient of utilization iv Beam factor. ac supply calculate i Readings of wattmeters
ii Total active power iii Total reactive power if two wattmeter method is used. a Explain the
method to measure active power using single wattmeter. Describe various applications of
electrolytic process. OR . b A balanced load of j per phase is connected in star across V.
phase. a Write a short note on safety procedure and maintenance procedure adopted in
printing industry. b Explain Faradays law of electrolysis in detail. OR .
wrought iron and steel b State why cutting alloys are superior to highspeed steels. Printing
amp Communi.T. . b What is a lathe carriage Explain its various parts with the help of a
sketch. b Explain the centre lathe principle by drawing a block diagram of lathe. Marks P. b
Explain the various allowances provided on pattern. c Explain adaptive control. b Explain the
pattern layouts.E. i All questions are compulsory. OR a What is alloy steel Why are alloying
elements added to steel State the effects of important alloying elements in steel. c Explain
the working principle of CNC M/c. Tech. PRINTING MACHINE MANUFACTURING
PROCESSES Course Time Hours N. OR a State the principle of centrifugal casting and state
its advantages and limitations. a Explain in short the various moulding methods. OR a Draw
a neat sketch and explain the various elements of single point cutting tool. . . Max. b List the
important properties of non ferrous metals and alloys. a What is the difference between cast
iron. Semester II Examination. S. a Write a note on setover method of taper turning.B. ii
Assume suitable data. if necessary.O. SECTION I .
b Differentiate between upmilling and downmilling. . b Explain in short slotting machine. OR
a Describe with sketches different operations performed on milling machine. Write short
notes on any three a Vernier height gauge b Errors in measurement c Angles gauges d Line
and end standard. a Describe with sketches the different operations performed on drilling
M/c. b Explain twist drill terminology. a Differentiate between shaper and planer. . SECTION
II . OR a Explain in detail the grinding wheels specification. b Write a note on centreless
grinding machine. B/II// .
SECTION I . Mollier charts.E. Neat diagrams must be drawn wherever necessary.
secondary and tertiary structure of proteins. b Discuss the primary. S. slide rule. OR . Black
figures to the right indicate full marks.O. . electronic pocket calculator and steam tables is
allowed. if necessary. Marks Instructions Answers to the two Sections should be written in
separate books.T. Semester II Examination. Assume suitable data. P. CHEMISTRY II
Course Time Hours Max. Chem. a What happens when glucose is treated with the following
reagents i Fehlings solution ii Oxidation with HIO iii Oxidation with nitric acid iv Catalytic
hydrogenation. Use of logarithmic tables. c Give the IUB classification of enzymes. a Explain
the following i Mutarotation ii Inversion of cane sugar.
OR . c Explain the factors affecting enzyme activity. b Identify A and B in the following
reactions . KMnO i CH CH CH CH A Na CrO Na CrO ii CH CH OH A B H SO H SO / O iii CH
Mg Br CO A H H B H CrO A acetone iv alc v CH CH CH Cl KOH A A B. b Write a short note
on i Isoelectric point ii Essential and nonessential amino acids. a Write a short note on the
following reactions i Koch reaction ii Oxymercuration Demercuration iii Hoffmanns
degradation of amides. vi CHCOCl CHNH c Describe the Gabriel synthesis for preparation of
primary amines. .
i ii . c Give balanced equations for the following reactions i Reduction of nitriles ii Hydrolysis
of dithiones iii Clemmensen reduction. b Calculate max using Woodward Feiser rules. b How
will you synthesize esters from i Acids ii Acid chloride iii From diazomethane. a Explain the
following terms i Chromophore ii Auxochrome iii Hyperchromic shift iv Bathochromic shift. . .
a Give mechanism of Swern oxidation.
iii iv v vi c Give mechanism of KCrO oxidation. b Describe the factors affecting IR
spectroscopy with the help of examples. OR . . a Write short notes on the following reactions
i Sabatier and Senderens reaction ii Hydroboration oxidation iii Birch reduction.
M. b Distinguish between B.O and A.M. Pt . . OR . b State the limitation of VSEPR theory.B.
a Define and explain Hunds rule and Aufbau principle. c Explain the LCAO concept. c Find
the quantum numbers of i st electron in Cr ii th electron in Ni.O. d Explain the formation of
NH molecule using hybridisation theory. c Predict the product i CH COCH SeO ii R C NH O
iii Na ethanol iv H. a Explain the bonding in diborane molecule. d Draw MO diagram of CO
molecule and calculate the bond order. SECTION II .
c Explain the assumptions of V. a State the applications of transition metal complexes. a
Define the following terms i Molality ii Normality iii Standard solution iv End point. b Draw
crystal field splitting diagram for the octahedral ligand field. .B. . d Calculate CFSE for d and
d octahedral complex. b Explain the analysis of mixture of NaOH and NaCO by volumetric
method.T. c Explain oxidation states of members of Ist transition series. a Explain Ni Cl is
tetrahedral while NiCN is square planar. d Find out the E. OR . . b Explain FeCN is
diamagnetic while Fe CN is paramagnetic on the basis of V. in the following complexes i Cu
CN ii Fe CN.B.A.T.N.
weight of NaSO . N KCl against . M solution mole. d How many grams of NaSO is required
to prepare one liter of . N NaOH against . B/II// . OR . N AgNO. b Write note on primary
standard chemicals. d Calculate the volumes of titrant to be added into titration flask to obtain
equivalence point in the following titration i ml . N HCl ii ml . a Explain Mohrs method for the
determination of chloride ions. c Explain the pH metric titration curves for the strong
baseweak acid. c Write note on indicators used in complexometric titration.
electronic pocket calculator and steam tables is allowed. Determine wall thickness of the
tube if the compressive stress is to remain unchanged. plate. End plates are stayed by mm
dia. Chemical Semester II Examination. if necessary. Assume suitable data. it is to be
replaced by a tube having mm od.T. a A solid short compression member of circular cross
section has mm dia. Neat diagrams must be drawn wherever necessary. S.s. having an
ultimate shear strength of MPa. In order to give greater lateral stiffness. bar of steel which
passes through the cylinder and is just tight at C. E b GPa s k . c A copper cylinder has mm
od and mm wall thickness. Given b k . PRINCIPLES OF DESIGN Course Time Hours Max. E
s GPa OR P. Estimate the stress in copper cylinder and stay when steam at atmospheric
pressure is admitted. Black figures to the right indicate full marks. Mollier charts. slide rule.
Answers to the two Sections should be written in separate books. Use of logarithmic tables.
The allowable crushing stress in the punch is MPa.E. Marks Instructions Answer questions
from Section I and questions from Section II.O. . SECTION I . b Determine the smallest size
of a hole that can be punched in a mm thick m.
Given b k . in material which has ultimate shear stress of MPa. a For the beam shown in the
figure. . The end plates are also of brass and are held in place by four long mm diameter
steel bolts. mm dia. supporting the upper head of the press. Calculate maximum thickness of
material through which a hole can be punched. If the safe stress is MPa and E GPa. The
condenser tube is mm thick. kN. It is used for punching holes of . find diameter of the rods
and extension in each rod of length . E b GPa s k . Find the point of contraflexure if any. what
load will they carry at the operating temperature of k. This load is carried by two steel rods. .
If these are tightened equally at K so that each carries a load of . b The body of a small
condenser is made from mm od brass tube. Find maximum values of SF and BM along the
beam along with the positions where they occur. MN. E s GPa c A hydraulic press exerts a
total load of . m. a A punch can withstand a safe compressive stress of MPa. draw SFD and
BMD. .
tangential and resultant stress on the plane at angle with major principal plane along with
angle of obliquity. Also find the normal. fe MPa for completely reversed bending. Find the
principal planes and stresses. Use Goodmans formula and Soderberg equation. b A steel
shaft mm in diameter and . MPa OR . Calculate maximum value of P with size factor .
surface factor . maximum shear stress. Use Mohrs circle method.. the stresses on two
mutually perpendicular planes are MPa t and MPa C along with complimentary shear stress
of MPa. Given G . i What load applied tangential to the rim of a wheel produce a torsional
shear of MPa ii Through how many degrees wheel will turn when this load is applied. The
span of the beam is mm and its crosssection is circular with mm diameter. m long held rigidly
at one end has a handwheel cm in diameter keyed to the other end. b A stainless steel beam
has a concentrated load at the center which fluctuates from a value of P to P. fy MPa. . The
beam material has fu MPa. a At a point in a strained material. and fatigue stress
concentration factor .
. The permissible stresses are ft MPa. fs MPa.S. if maximum shear stress in the weld is
MPa. fs MPa. a Design a knuckle joint for a tie rod of a circular section to sustain a maximum
pull of kN. .O. All parts of the joint are made of same material with the following allowable
stresses ft MPa. taking the strength of the rivet in double shear as twice than that in single
shear. a A double riveted double cover butt joint in plates mm thick is made with mm dia
meter rivets at mm pitch. fc MPa. The ultimate strength of material of the rod against tearing
is MPa. b A welded joint as shown in figure is subjected to an eccentric load of kN. fe MPa.
Find the size of the weld. OR . while ultimate tensile and shearing strengths of pin material
are MPa and MPa respectively. b Design a sleeve and cotter joint to resist a tensile load of
kN. Find the efficiency of joint. Given F. Design tie rod section and pin section. .
SECTION II . b Design a bushedpin type flexible coupling for connecting a motor shaft to a
pump shaft for transmitting kw power at rpm. hub. find the power capacity of the belt. . flange
and bolts of the coupling. a Design protective type cast iron flange coupling for steel shaft
transmitting kw at rpm and having an allowable shear stress of MPa. The density of leather
may be taken as kg/m and the coefficient of friction of leather on cast iron is . Design shaft.
OR . bush and check the safety for normal and shearing stress. a A leather belt mm mm is
used to drive a cast iron pulley mm in diameter at rpm. MPa and MPa respectively. Assume
that same material is used for shaft and key and that the crushing stress is twice the value of
its shear stress. key. The bearing pressure in the rubber bush and allowable stress in the
pins are to be limited to . The maximum torque is greater than full load torque. b Draw neat
sketch of protective type of flange coupling showing all the parts along with their design
dimensions. The shear stress for cast iron is MPa. The diameters of motor and pump shafts
are mm and mm respectively. . The working stress in the bolt should not exceed MPa. If the
active are on the smaller pulley is and stress in tight side is MPa.. a Draw neat labelled
sketch of universal coupling state its applications. Design the pin.
Calculate the length required for each belt. cm and the absolute viscosity of the oil at the
operating temperature is cp. density kg/m. b A journal bearing mm in diameter and mm long
is supporting a load of kN at rpm. . times the shaft diameter. mm and the bearing dissipates .
MPa. The drive is by Vbelts from an electric motor running at rpm. Determine the number of
vbelts required to transmit power if each belt has a crosssectional area of mm. what is the
viscosity of oil at the operating temperature OR . b A compressor. OR . Write short notes on
the following a Cavitation and MPSH b Types of fans and blowers c Types of valves. The belt
speed should not exceed m/min. find the hp wasted in friction. m. The shaft runs in a bearing
whose length is . requiring kW. The groove angle of pulley is and the coefficient of friction
between the belt and pulley is . a A cm diameter shaft supporting a load of N has speed of
rpm.. is to run at about rpm. The diameter of the pulley on compressor shaft must not be
greater than m while the centre distance between the pulleys is limited to . If the radial
clearance is . and an allowable tensile stress of . If the diametral clearance of the bearing is .
kW in friction.
. B/II// . Write short notes on the following a Centrifugal pumps b Types of impellers c
Classification of pumps.
ELECTRONIC DEVICES amp CIRCUITS Course Time Hours Max. For the output voltage
Vo to be zero i Determine the value of collector resistance and emitter resistance. if
necessary.O. Comp. Answers to the two Sections should be written in separate books. B
Explain Thermal Runaway. Semester I Examination. S. uses a silicon transistor with current
gain amp VCEQ V.T. Fig. A The circuit in fig. OR P. Use of electronic pocket calculator is
allowed. ii With reference to the values in part above. Assume suitable data. Black figures to
the right indicate full marks. SECTION I . Marks Instructions Answer any three questions
from each Section. Neat diagrams must be drawn wherever necessary.E. find the new value
of Vo if is . .
O B Justify CE is the only transistor configuration to produce phase shift between input and
output signal. A For the circuit in fig. C/W. B Explain with necessary illustrations. A Calculate
stability factor for a transistor circuit to be thermally stable if the specifications are as under
Transistor used is NPN and is operated in self bias arrangement The component values are
RC k and RE . VCEQ . ii Derive in terms of h parameter and circuit component the equations
for a current gain AI and AIS b Voltage gain Av and AVS c Input impedance Ri and Ri d
output impedance RO and R . OR . K The parameter values are ICO . what happens when i
Operating point is located closer to saturation region ii Operating point is located closer to
cutoff region. . nA. Fig.V The power supply used is volts. . i Draw the small signal hybrid
model.
. hre hoe . hfe and negligible hre and hoe. . A For the circuit in fig. Vs i s Fig. . determine the
following i A v v vs io ii A I i s iii Ri iv R Fig. i Draw neat labelled hybrid model of the circuit. A
For the circuit in fig. the transistor h parameters are hie k. hfe . . ii Determine Vo io amp . B
Draw the circuit diagram and explain importance of i Bootstrap emitter follower circuit ii
Bootstrap darlington pair . transistors used are identical with hie k.
. D Explain can h parameter be used to analyse large signal amplifier. C Explain what you
mean by large signal and small signal. B Explain harmonic and cross over distortion of a
power amplifier with necessary illustrations. calculate i turns ratio of output transformer ii
peak collector current iii Q point coordinates iv collector circuit efficiency B Draw the circuit
diagram of two stage i Direct coupled amplifier ii RC coupled amplifier iii Single stage
transformer coupled amplifier. Assuming ideal characteristic and Vmin . State the
configuration of stages used in cascade amplifier. The operating point is adjusted for
symmetrical current swing with Vcc V. OR . C Explain necessity of multistage amplifier. A A
power transistor in class A transformer coupled mode delivers W Power to load.
B State and define JFET parameters. Justify your answer. RG. vi Derive equation for output
resistance Ro B Draw the structure and symbol of n channel EMOSFET. mA. . SECTION II
.V. Calculate values of Reffi/p and Reffo/p. YOS s. ii Draw the small signal model of the
circuit in part above. iii Derive equation for drain current id iv Obtain equation for voltage gain
AV of the circuit. input source Vi and coupling capacitors CC. V amp ID mA. RS. Fig. v Can
this circuit be used to amplify voltage signal. A i Draw the circuit diagram of a source follower
n channel JFET. mA/v. calculate the following ii rd i gm iii Av iv Ri v Ro Assume I DON . A
For the circuit in fig. Sketch its transfer characteristics. VGSON . consisting of RD. OR . k .
VT V. VGS . . Use Miller theorem.
iii State disadvantage of level shifter and explain how it can be overcome with the help of
necessary circuit. . ii Sketch the circuit of level shifter an derive equation for output voltage
Vo. B Explain OPAMP parameters i CMRR iii Slew rate ii PSRR iv Vio. OR . A i Draw using
OPAMP a circuit to generate a square wave without any input signal applied to it. B i Explain
with neat diagram the working of Buck converter. . iii Derive equation for time period T of the
square wave. ii Explain its operation with the help of waveforms VC amp VO. ii Obtain
equation for output voltage VO iii Sketch the nature of output voltage waveform C Sketch VI
characteristic of diac OR . ii Obtain firing angle . Derive equation for output voltage Vo. B
Draw and explain operation of I to V converter circuit using OPAMP. A i Draw block diagram
of OPAMP. conduction angle . State its application. A i Draw a full wave rectifier circuit using
SCRS and a centre tap transformer. average output voltage Vo and load current iL for a load
resistance of if the forward voltage of SCR is V at a gate current of mA and input applied is
sin wt.
C Define i Latching current ii Holding current iii VBO iv VBR. ii Derive equation for anode
current IA. B/II// . ii Explain operation of on line UPS with neat diagram. . A i State difference
between on line and off line UPS. B i Explain operation of SCR using two transistor analogy.
zero and negative numbers from a user fed array of ten numbers. a Write a program in
assembly language to find the number of positive.E. if necessary. Black figures to the right
indicate full marks.T. b Explain the difference between memory mapped I/O and I/O mapped
I. Neat diagrams must be drawn wherever necessary. a Explain briefly with the help of
diagram how addresses memory as even and odd bank for even addressed byte odd
addressed byte even addressed word odd addressed word. Answers to the two Sections
should be written in separate books. a Draw and explain the minimum mode configuration of
microprocessor. c Explain how bit physical address is obtained in microprocessor.
MICROPROCESSORS AND INTERFACING TECHNIQUES Course Time Hours Max.
SECTION I . .O. P. . S. b Draw and explain write cycle timing diagram in maximum mode of
microprocessor. Marks Instructions Answer three questions from Section I and three
questions from Section II.O. OR . Computer Engg. Assume suitable data. Semester II
Examination.
a Draw a neat block diagram of PIC. OR . a Draw a block diagram of timer. . and with the
help of timing diagram. BX SI. OR . . NUM iii ROL BX. AX. Explain in brief the use of .
interrupts found in interrupt vector table of / microprocessor. b What is XLAT How will you
use it to convert a BCD number to its ASCII equivalent c Explain the difference between a
macro and procedure. b Explain type . b What is an addressing mode Identify the addressing
modes for the following instructions and explain each i ADD AX SI ii MOV BL. A. iv MOV. a
What do you mean by Assembler Directives Explain the following assembler directives with
example i Assume ii Extrn iii Far iv Segment. . Explain operation of in modes . Also draw the
flow chart for the initialization sequence of . b State and explain the functions of the following
pins of i CLK ii GATE iii AO.
Also explain the structure of TSR in detail. b Write a note on Data Acquisition System.
SECTION II . b What are the components of MSDOS Explain how MSDOS gets loaded after
power on with a neat diagram. . b Differentiate between i Internal Commands and External
Commands ii DOS Calls and BIOS Calls. OR . a Explain mode O and BSR mode of with
appropriate control word formats. B/II// . b Define following terms for D/A converters i
Resolution ii Accuracy iii Conversion time. a Explain TSR. Explain functionality of each signal
used. . a Interface a stepper motor to microprocessor system and write an assembly
language program to control the stepper motor. b With respect to IC explain i Display modes
ii Scanned keyboard with two key lockout. a Draw a neat block diagram of USART and
explain. b What is DMA Explain different data transfer modes supported by . a Show a typical
bit ADC interface with . OR . a What is PSP Explain structure and usage of PSP. OR .
KPa. The specific volumes of liquid and vapor at these conditions are . Make necessary
assumptions wherever required.O. m/Kmol respectively. SECTION I . as it is vaporized at the
constant temperature of K and constant pressure of . OR P. State whether the following
properties are intensive or extensive i Specific volume ii Density iii Heat capacity iv Specific
heat.T. THERMODYNAMICS Course Time Hours Notes Max.E. Semester II Examination. c
Distinguish between the extensive and intensive properties.Tech. Marks Figures to the right
indicate full marks. Use of Programmable calculator is not allowed. Draw a neat sketch
wherever necessary. a What do you mean by the number of degrees of freedom What is the
number of degrees of freedom when a binary liquid mixture is in equilibrium with its vapor b
Calculate U and H in KJ for kmol water. Biotechnology B. Answer any three questions from
Section I and any three questions from Section II. KJ of heat is added to water for this
change. S. . and .
. KJ/mol and molar mass of water is Kg/mol. Calculate the change in entropy of CO. OR .
The cylinder is placed on a hot plate allowing the gas to expand at constant pressure till the
temperature rises at K. KJ H . the maximum possible efficiency of heat engine and the ratio
of energy rejected to ambient atmosphere to energy absorbed from water at C. a Explain
Carnot cycle and prove Carnot theorem. Calculate minimum power required to operate the
refrigerating unit. . It is desired to produce ice at C at the rate of Kg per hour from water at C.
The ambient temperature is C. To operate the refrigerating machine it is planned to supply
power from a heat engine. KJ CP . T . KJ H . a Using Hesss law. MPa and K. b During
summer months there is an increased demand for ice to cool soft drink bottles in various
shops. . c Suppose a piston cylinder assembly contains one mole of CO at . a Derive
expression of temperature dependence of standard heat of reaction H . For CO H . b What
are sensible heat effects Find relation between heat capacity and temperature. . T . calculate
the heat of formation of chloroform CHCl with the following given data i CHClg Og HO COg
HCl g ii H g O g H O l iii C s O g CO g iv H g Cl g HCl g b Write short note on latent heat of
pure substances. KJ H . The heat engine operates between the ambient atmosphere and a
source at C which is supported by solar heating panels. The latent heat of fusion of water at
C is .
OR . a Explain in a detail Roults law and its application to thermodynamic systems. What is
its significance in establishing the state of the system b Derive the expression of phase rule
for non reacting systems. and KPa respectively. a What are partial properties What is its
physical significance Derive expression for partial volumes of binary solution. What are the
pressures at the beginning and at the end of the vaporization process . b What is chemical
potential Express the definition with mathematical statement. OR . a Explain the Duhems
theorem. mm and that of ethanol is . At this temperature the vapor pressures of benzene and
toluene are . b An equimolar solution of benzene and toluene is totally evaporated at a
constant temperature of K. The vapor pressure of the pure methanol is . Why modified Roults
law is required explain in detail. Calculate i The vapor pressure of solution ii Partial vapor
pressures of ethanol and methanol in solution iii The vapor phase composition. c g each of
ethanol and methanol are mixed at C to prepare an ideal mixture. . mm at C. b Prove the
following i T / V s P / S v ii T / P s V / S p iii P / T v S / V T iv V / T p S / P T . a Find relation
between excess properties and residual properties. SECTION II .
. OR . a Explain the criteria for chemical reaction equilibrium. . What is Gibbs free energy
Explain in detail applications of Gibbs free energy to biological systems. J/mol for NO and .
OR . c A gas mixture containing mol CO. mol H and mol water is undergoing the following
reactions CO H CH OH H O CO H CO H O Develop expressions for the mole fraction of the
species in terms of the extent of the reaction. a Explain the effect of temperature on
Equilibrium Constant. b Explain in detail Phase rule and Duhems theorem for reacting
system. Define first and second law of thermodynamics. B/II// . b Calculate the equilibrium
constant at K of the reaction N O g NO g Given that the standard free energies of formation
at K are . Explain its application to biological systems in detail. J/mol for NO.
Use of logarithmic tables. electronic pocket calculator and steam tables is allowed. Answer
any three questions from each Section.O. SECTION I . e P. Civil Semester II Examination.
as ic G . S. slide rule. .T. Answers to the two Sections should be written in separate books.
Mollier charts. c What is Quicksand Derive the hydraulic condition causing quicksand. a
Refer the three phase soil system figure and write the basic equations for Water content
Porosity Voids ratio Degree of saturation Air content.B. GEOTECHNICAL ENGINEERING
Old Course Time Hours Max.E. b Explain Casagrandes Plasticity chart. Neat diagrams must
be drawn wherever necessary. Assume suitable data. if necessary. Marks N.
After drying mass is gm. quantity of water equal to CC passed down in min. . a Draw a neat
sketch of falling head permeameter and derive the equation to find coefficient of permeability.
b With a neat sketch explain Newmarks chart and its use. . c Give precise definitions for
terms liquid limit. plastic limit and Shrinkage limit. a Describe properties of flow net. Well
graded soil. when flow is parallel and perpendicular to bedding plane. b The natural density
of a soil deposit was found to be .. a Explain use of pressure bulb. c A soil sample have
volume of cm and mass gm. . Change in volume of soil due to variation in moisture content.
kN/m. . A sample of the soil was brought to the laboratory and the minimum and maximum
dry densities were found as kN/m and kN/m resp. c Explain with sketch vertical stress
distribution on a vertical line. Calculate . take G . c Derive the expression for average
permeability. . Calculate the density index for the soil deposit. d and e. head of cm. Also
calculate discharge velocity. b Draw neat labelled graphs for Uniformly graded soil. and cm in
C/S area. under const. Gap graded soil. a Write six assumptions made by Boussinesq to
determine vertical stress z . b Calculate the coefficient of permeability of a soil sample cm in
ht.
b State assumptions in Coulombs wedge theory and explain Culmanns graphical method for
earth pressure determination. b State the factors on which shear strength of soil depends
and explain thixotropy and sensitivity. a Explain the Rankines theory for lateral earth
pressure determination for active. b Zero air void line. Write short notes on any four a Field
compaction control. . . d Vane Shear test. c Rehbanns Graphical Method. passive and at rest
test. B/II// . b Explain the various loading and drainage conditions under which the shear
tests are conducted. . . e Swedish slip circle method. SECTION II . a Compare the merits
and demerits of direct and triaxial shear test. a Explain the factors affecting compaction of
soil and discuss methods of field compaction. b What are the different modes of failure of
slopes and explain Taylors stability number. a Define shear strength and explain Mohr
Coulombs law in total and effective stress condition.
.
OR Explain in detail Desk top publishing concept. OR Compare Bitmap and Vector Images
in detail. . OR Explain direct and indirect screen printing process. Printing Examination.
BASIC ELEMENTS OF PRINTING TECHNOLOGY Course Time Hours SECTION I . Explain
processes involved in binding of a centre stitch book.E. Explain basic properties of originals
in detail. . . OR Explain what is a type. Marks . Explain additive and subtractive theory in
detail. . Explain the fundamentals of a print layout. Explain basic principle of Offset
Lithography. B/II// Max. OR Explain in brief various processes involved in print finishing
SECTION II . Discuss D and D typefaces. S. What are bitmap images Explain any three
bitmap file formats. OR State the margins to be considered for a book printing layout.
. Use of logarithmic tables. .O. Q. or Q. mutually immiscible. CHEMICAL ENGINEERING
FLUID MECHANICS Course Time Hours Max.E. slide rule. Q. OR . or Q. . or Q. if necessary.
Where u is the point velocity in metre per second at a distance y metre above the plate. Neat
diagrams must be drawn wherever necessary. Chemical Engg. specific volume and specific
gravity. . Solve Q.y y. Assume dynamic viscosity as poise. Mollier charts. What factors
influence the sensitivity P. . S. electronic pocket calculator and steam tables is allowed. b
Draw shear stressshear rate diagram and explain rheological behaviour of different fluids.T. .
a Derive an expression for the pressure difference across two limbs of a differential
manometer containing two gauge fluids. a The velocity distribution for flow over a flat plate is
given by u . Determine the velocity gradient and shear stress at y and y cm. Marks
Instructions Answers to the two Sections should be written in separate books. or Q. c Define
density and specific weight. or Q. Q. or Q. Black figures to the right indicate full marks. b
What is difference between dynamic viscosity and kinematic viscosity State their units of
measurements. . a Discuss the following i Rotational and irrotational flow ii Streak line and
path line iii Laminar and turbulent flow. SECTION I . and Q. Q. Assume suitable data.
Examination.
Pa Crosssectional area m Elevation above point m Other Data Density of fluid kg/m Power
delivered by the pump .. The mercury level in the leg of manometer connected to pipe A is . .
calculate the pressure difference between the points when a water is flowing through the
pipe b air at atmospheric pressure and C is flowing in the pipe. m below its center. Point
Pressure . W assume efficiency Calculate the head loss due to friction and predict whether
flow is taking place from point to or from to c A Utube manometer filled with mercury is
connected between two points in a pipeline. a A differential mercury manometer is used to
measure the pressure difference between two pipes at A and B containing liquids of specific
gravity . gm/cc Density of water gm/cc Molecular weight of air . Find the differential pressure
between pipes A and B in terms of water column. b The following data were obtained on a
section of piping through an incompressible viscous fluid is flowing See figure. If the
manometer reading is mm of Hg. Density of mercury . m below its center while that is the leg
connected to pipe B is . respectively. Pa Crosssectional area m Fluid velocity m/s Point
Pressure . and . A being above B. OR . Center to center distance between pipes A and B is
cm.
if the coefficient of friction f is given by . m. f friction factor and Re Reynolds number OR . b
For laminar flow through horizontal circular pipe. length of the body l. b By applying energy
balance to the steady flow of a incompressible fluid in a streamtube. a Water is flowing
through a pipe of diameter mm with a velocity of m/sec. m/s. a The resistance R experienced
by a partially submerged body depends upon the velocity v. c What are the limitations of
Bernoulli equation . derive Bernoulli equation. and acceleration due to gravity g. Find the
head loss due to friction for a length of . viscosity of the fluid . show that r u rw SECTION II . f
. Take kinematic viscosity . OR . Stokes. b Show that for the laminar flow of incompressible
fluid flowing through a circular pipe f Re Where. Find i Head loss due to friction ii Power
required to maintain the flow Take kinematic viscosity of the oil as . a In a pipe mm diameter
and m length an oil of specific gravity . strokes. b Explain the terms Rayleighs method of
dimensional analysis. density of the fluid . Establish a suitable relation involving
dimensionless groups. is flowing at a rate of . Re.
a Derive relations for Reynolds number and friction factor and establish the Ergun equation
for singlephase flow of fluid through packed bed. The reading in the vertical limb of the tube
inserted at the center of the pipe was . What is the power loss due to the sudden
enlargement c Explain the velocity measurement by pitot tube with the help of a neat sketch.
m/sec. a Pitot tube was used to measure the quantity of water flowing in a pipe of . B/II// . .
When the manometer reading is mm. Water at C is flowing through the line. m. . with an
average velocity of . a A horizontal venturi meter having a throat diameter of mm is set in a
mm I.D. c Compare between an orifice meter and venturi meter. m diameter pipe. Assume
static head at the center of the pipe as . State any two applications. m diameter pipe. m and
the coefficient of discharge of pitot as . b Water flows through a .. b Briefly explain the
method of selecting a pump for a given application. If the mean velocity is . calculate the flow
rate. b Discuss different types of fluidization. m diameter. find the flow rate. A manometer
containing mercury under water measures the pressure differential over the instrument.
pipeline. Take C d . OR . times the velocity at the center. b Draw a neat sketch and explain
the working of a packed bed column. There is a sudden enlargement to . a With a neat
sketch explain the process of fluidization. a Calculate the momentum thickness for the
following boundary layer velocity flow u y y u b Derive the expressions for the followings i
Displacement thickness ii Momentum thickness.. OR . .
E. b Capsule forming bacteria. Biotechnology Semester I Examination. OR . d Flagellated
bacteria. Max. Marks P. With the help of diagram explain the process of Gram staining and
function of each component of Gram stain. MICROBIOLOGY Course Time Hours SECTION I
.T. Describe in detail structure of Gram positive and Gram negative cell wall. f Comma and
spiral shaped bacteria. c Gram positive bacteria. How is bacterial culture maintained in log
phase continuously OR . Give examples of Gram Positive and negative bacteria. Give in
detail mathematics of bacterial growth in closed system. S. Write on a Effect of temperature
on growth b Effect of oxygen on growth. .O. . Give examples of each of the types a Spore
forming bacteria. e Cocci.
Define the terms pock. SECTION II . What are the different combinations of temperature. e
rabies. cytopathic effect of viruses and Allantoic cavity. eclipse period. g Food poisoning. .
OR . . . Describe working principle and structure of autoclave. b filter paper. Describe various
methods of pasteurization. Write on Spoilage of milk. Discuss the ways that viruses can be
cultivated. d leprosy. Write notes on any four marks each a Nitrogen cycle. i Endospores.
pressure and time used for sterilization of various materials How will you sterilize a medium
containing vitamin B. j Lytic cycle k Peptidoglycan B/II// . How is one step growth experiment
carried out Summarize what occurs in each phase. f OPV. c air OR . h Water quality. c
Tuberculosis. Describe various methods of food preservation. Define latent period. plaque.
rise period and burst size. b Soil microbes.Enlist and describe in detail any two mechanical
methods of sterilization. OR .
Biotechnology Semester I Examination. OR P. slide rule. Depict the flow chart for glycolysis
with all enzymes and coenzymes involved in it. Q.O. Marks N. from Section I. S. SECTION I .
or Q. and Q. from Section II. . or Q. . or Q. or Q.E. Q. Q. . OR Write short notes on marks
each Chemical bonds in living cells. . . or Q. Q. BIOCHEMISTRY I Course Time Hours Max.
or Q. Answer the following marks each Explain in detail fitness of the aqueous environment
for living organisms.T. First bypass reaction in the synthesis of glucose molecule. iii Neat
diagrams must be drawn wherever necessary. ii Answer to the two Sections should be
written in separate answer books. Describe and discuss in detail the synthesis of glycogen
with special emphasis on the role of nucleoside diphosphate sugars.B. i Answer Q. iv Use of
Logarithmic tables. electronic pocket calculator is allowed. .
OR . Functions and deficiencies of any two water soluble vitamins. Enlist the fat soluble
vitamins and furnish its sources. Digestion and absorption of amino acids. . Give the detail
account of deficiencies for fat soluble vitamins. Write in detail about the classification of
amino acids on the basis of R groups. Explain the covalent structure of nucleic acids with
neat diagram. Explain in short about marks each Urea cycle. Role of acetyl CoA in the
formation of ketone bodies. Answer the following marks each Explain in detail the terms
acidosis and ketosis. OR . Cori cycle. . OR . OR . Write short notes on marks each Dietary
fibers. Write short notes on marks each Biosynthesis of phosphoglycerides. Classification of
lipids. . Write short notes on marks each Oxidative phase of pentose phosphate pathway.
Answer the following marks each Write in short about nucleic acid protein supramolecular
complex. their types and its uses. . Write in detail about the synthesis of pyrimidine ring in de
novo synthesis. SECTION II . B/II// .
B i In Section I. No. No. or Q. S. . . a Solve any three i D y e x sin e x cos e x ii D D y x sin x
iii D D D D y x e x iv D D y e x tan x Use method of variation of parameters y d y x y x v x dx
dx x d . In Section II. Marks N. . No. attempt Q. . iii Neat diagram must be drawn whenever
necessary. dx dx OR P. vi Figures to the right indicate full marks.E. ENGINEERING
MATHEMATICS III Course Time Hours Max. u cos x .No. No. SECTION I . Q. v Assume
suitable data.O. if necessary. No. attempt Q. . Q. or Q. . iv Use of nonprogrammable
electronic calculator is allowed. Q. N. No. No. or Q. . No. or Q. b Solve du dv v sin x . Civil
Semester I Examination. ii Answers to the two Sections should be written in separate answer
books. Q. or Q. No.No.T. or Q.
a The differential equation of a whirling shaft. Motion is started by displacing the string in the
form u a sin x from which it is released at time l t . a Solve any three i D D y e e x ii D D y x e
x iii D y x sinx e x iv D D y Use method of variation of parameters x d y dy x y x v x dx dx dx
dy dz . b A string is stretched and fastened to two points l apart. . . with the origin at the
centre and short bearing at both ends. t from one end. Taking the shaft of dx g length l. Use
wave equation u u c t x OR .g secal sechal . Find the displacement ux. b Solve x y z y z x z x
y . show that the medium deflection of the shaft is given by . where W is the weight of the
shaft and is whirling speed is given by EI d y W y W .
n dy when dx where EI . a Solve by GaussSeidel method. taking h . t v ii . v v k subject to
the conditions . a Solve t x i V as t . dy . . the following system of equations x x x x x x x x x . t
. y .. t x x iv Vx. V for lt x lt l. x is given by W y P e nx e nx x n n n P . x . b The differential
equation satisfied by a beam. b Use RungeKutta method of second order to solve dx x y to
find y at x . iii V l . OR . . uniformly loaded with one end fixed and second subject to a Tensil
force P given by d y W EI Py x dx Show that the elastic curve for the beam under conditions
y.
. a An urn contains white and red balls. and . Find i x . y . One ball is drawn at random from
the first urn and put into the second urn without noticing its colour. a Numerical solution of
the differential equation x . Find y at x . . . b Solve the following system by Choleskys method
x x x x x x x x x . SECTION II . . . What is the probability that it is red b The first four central
moments of distribution are ... find coefficients of skewness and kurtosis. x. . y y . . OR . . A
ball is then drawn at random from the second urn. Second urn contain white and red balls. .
by Milnes predictorcorrector method taking h . . . y ii The correlation coefficient between x
and y. dy xy is tabulated as dx . c The two regression equations of the variables x and y are x
.
It was found that marks were normally distributed with mean .. z t. b Find the directional
derivative of xy yz at . Determine approximately the number of candidates who secured a
first class for which a minimum of marks is necessary. is . a For the curve x t . and standard
deviation . Area corresponding to z . c Prove the following any two i r log r r a .r a a . .. y t.
show that OR . find Pr . find the magnitude of tangential and normal components of
acceleration for a particle moving on the curve at t . if Pr Pr . b Obtain regression lines for the
following data x y c In a Poisson distribution.r ii r r r r iii For a scalar functions and . along a
line equally inclined to the three coordinate axes. . a candidates appeared in a certain paper
carrying a maximum of marks. .
c Evaluate F . . . Also find fr such that f r . OR . . . to . b Prove that r . . . a Find work done by
the force x yz i y zx j z xy k in taking a particle from .d s . a Show that the vector field given
by F y cos x z i y sin x j xz k is irrotational and find scalar such that F . b Evaluate x s i y j z k
.d s . where S is the surface of the sphere x y z . where F x y i xyz j y k and s is the surface s
x y z x above the plane x . r r c Determine fr such that the field F f r r is solenoidal.
z and x . B/II// . z a b and the field of force F xy z i x yz j y xz k . x y . evaluate c F. z .d r
where F x y z i x yz j y xz k and C is the curve enclosing a region y ax. c Using Greens
theorem.d s . where F x i y j z k and s is a closed surface bounded by y x. a Find work done
in moving the particle once round the ellipse . b Evaluate s F. x a in the plane z .
c Differentiate between plastering and pointing. OR . Marks P.T.E. OR . S. a What is
underpinning Explain its importance in construction. State Merits and Demerits of different
materials used for Door. c Explain with neat sketch trapezoidal footing. b What is pointing
Explain its various types with sketches. a Enlist various purposes of doors and window.
BUILDING MATERIALS AND CONSTRUCTION Course Time Hours SECTION I . b
Describe with sketch the following i Bearing pile ii Friction pile iii Under reamed pile. b
Compare hollow block masonry with brick masonry. . Civil Semester I Examination. .O. . a
Define the foundation. c Explain various important points while setting out foundation on
ground. b What are different types of foundation Draw sketches for any two. Compare the
shallow and deep foundation. c Write a note on Composite Masonry. a Write important
requirements for good building stones. b Describe with sketch the construction of Segmental
arch in brick masonry wall. c Explain with a neat sketch various advantages of Cavity Wall. a
Compare Rubble Masonry and Ashlar Masonry. OR Max.
SECTION II . c Explain with neat sketch jack arch flooring. b Explain different important
points which are to be considered while selecting roofcovering for a building. OR . a Give
reasons to justify the following statements i Floors are constructed at some height from the
ground ii Stone flooring is provided in workshops and godowns.C. i Size of staircase room m
m ii Vertical distance between the floors is . a State the different defects in oil painting work
and discuss causes for the same. State specific thickness and care required for each coat. b
What are the different factors which are to be considered while selecting wearing surfaces for
ground floors c Explain merits and demerits of wooden floors. sheets. stair. . c Explain step
by step procedure for three coat sand faced plaster. b What do you know about Wall
cladding and wall papering Explain the method for fixing the same. a Describe in detail
dampproofing of flat roofs. iii Corrugations are important in G.I. OR . . a Design Doglegged
stair for a residential building located in a staircase room with following details. Also explain
in brief characteristics of good paint. m iii Rise cm and tread cm. Also draw neat sketches.C.
b Explain the requirements for good staircase. Draw dimensional plan and section for the
proposed R.
. Describe any one with neat sketch. c State advantages and disadvantages of ferrous
metals and lime. a What different measure are taken on site for Prevention of Accidents b
Enlist various types of shore. c Enlist the different types of glass. Write short notes on i Ramp
ii Connections in steel sections iii Splicing of steel sections iv Tubular structure. Also explain
their properties. OR . . B/II// . a Explain the properties and uses of the following materials i
Asphalt ii Alloys iii Gypsum b What is seasoning of Timber Explain various defects in timber.
c Rudaceous rocks. b Write a note on products of Volcanoes. b Write a note on Mineral
Classification. OR Write short notes on a Textures of Igneous rocks. Discuss how fold
changes to a fault. Figures to the right indicate full marks. . a Write in detail the Scope and
Subdivisions of Geology. b Felspar group of Minerals. Neat diagrams must be drawn
wherever necessary. S.E. OR P.T. . a Define fold. All questions are compulsory. Civil
Semester I Examination. d Gneissose and Schistose. Describe the types of folds.
ENGINEERING GEOLOGY Course Time Hours Max. SECTION I . Marks Instructions
Answers to the two Sections should be written in separate answerbooks. Give neat sketch
showing various parts of folds.O.
OR . . OR Write short notes on a Precambrian Era. b Geological time Scale. e Relict
Mountain. SECTION II . b Inlier and Outlier. c Types of Joints. a Explain the cone of
depression and circle of influence of groundwater consumption. b Write a note on types of
Drainages. d Difference between Normal Fault and Reverse Fault. d Features of stream
erosion. a Explain in detail by giving examples about the geological work done by
groundwater. c Physiographic Divisions of India. Write short notes on a Angular
Unconformity. c Interior of Earth. b Preventive measures against landslides.
. b Remote sensing and uses of it. b Tunnelling through folded and faulted rocks. a Influence
of divisional planes during tunnelling. a Artificial recharge of Groundwater. OR . b Causes of
Landslides. . Write short notes on a Angle holes b Length and Number of pieces of core c
Locating core loss d Use of GIS in civil Engineering. c Perched water table. b Soundness of
rock from dam foundation point of view. . a Write in detail the observations and precautions
to be taken during drilling. a Earth tremors in the region of some dams. B/II// . OR .
List the factors affecting it. . if necessary. b Explain Law of Diminishing Marginal Utility. OR ii
Wealth iv Revenue vi Price P. a Explain Law of substition. c What is elasticity of supply
Explain in short with the help of a sketch. S. ENGINEERING ECONOMICS AND
MANAGEMENT Course Time Hours Instructions Max. SECTION I . a Define the following
terms i Goods iii Asset v Market b Explain the Law of supply. Assume suitable data. Neat
diagrams must be drawn wherever necessary.T. b Explain any one Law of Returns with the
help of suitable example. a Explain productivity. Civil Semester I Examination. c Discuss
applications of economics to civil engineering. c Explain the process of capital formation.
Black figures to the right indicate full marks.E. Marks Answer any three questions from each
Section. OR . .O.
B. .B. c Discuss the role of S. a Define the term Money. b Explain in brief types of
organisation.E. What are its functions b Define Annuities. SECTION II .I. a Differentiate
between public sector and private sector. Write short notes on i BOT ii Functions of R. c
Write a note on functions of management. in capital market. OR . c Explain characteristics
and principles of organization. iv BreakEven Analysis. iii Inflation and deflation of currency. b
Explain Joint Stock Company. a Explain perfect and imperfect competition. Explain any one
in brief.I. a Explain evolution of scientific management. . . c Enlist the advantages and
disadvantages of large scale production. b What is a product life cycle Discuss its usefulness
in determination of production strategy. Enlist various methods to calculate depreciation.
Enlist types of annuities. d Define depreciation. OR .
Explain any one in brief. b Explain Demings principles of TQM. ii MIS through case studies.
a Explain in detail Work study. Enlist methods of motivating employees. d Explain in brief
benefit cost analysis. c Discuss in detail Quality Circle. B/II// . Write short note on any four i
Zero Defect. b Differentiate between programmed and nonprogrammed decisions. a What
are the methods of selection of an employee in a industry b Explain the concept of a
Decision Tree. OR . a Define motivation. . OR . d List the factors affecting Manpower
planning. Explain any one in brief. c List the different leadership styles. iv KANBAN v
KAIZEN. c Explain the importance of training. iii Time and Motion study. .
v Your answer will be valued as a whole. a Define five major properties of the Fluid and give
their units. and dynamic viscosity . Derive the expression for capillary rise within a tube. What
do you mean by the moment of inertia of the water line area of a floating body P. Civil
Semester II Examination. . poise. What is the relation between Dynamic Viscosity and
Kinematic Viscosity Prove that the unit of Kinematic Viscosity is m/s. Find the minimum ratio
r/h for which the cylinder will float in water with its axis vertical and it will be just stable. b
What do you mean by metacentre What are the three types of equilibrium involved with
floating bodies Describe them in detail. Marks Instructions i Answer three question from
Section one and three questions from Section two. .O. ii Answer to the two Sections should
be written in separate answer booklet. a A solid circular cylinder of radius r and height h is
floating in water. FLUID MECHANICS I Course Time Hours Max. b Define Capillarity. iv
Black figure to the right indicate full marks.. The specific gravity of the material of the cylinder
is . when angle of contact is and surface tension is . The diameter of the glass tube is d and
specific weight of the liquid is .T. vi Use of electronic pocket calculator is allowed. c Express
the Kinematic viscosity in stokes for a liquid with specific gravity . S. vii Assume suitable data
if necessary. iii Neat diagrams must be drawn wherever necessary.E. SECTION I .
What do you mean by laminar.. Calculate the energy and momentum correction factors. b
Oil flows through a pipe and the velocity distribution across the pipe section is given by V/V
max r/R. b A jet of water with a velocity of m / sec is emerging out of an orifice of mm
diameter. SECTION II . Find the x component and y component of velocities and also find
the stream function from the given value of the velocity potential. . . a The velocity potential is
expressed by xy. transition and turbulent boundary layer What is laminar sub layer Derive the
equation for obtaining the expression of displacement thickness . a Discuss about the
development of Boundary Layer over a flat plate with the help of a sketch. b A cm
venturimeter is installed in a vertical pipe carrying oil of relative density . Where R is the pipe
diameter and r is the radial distance from the central line of the pipe at a distance r. The
oilmercury differential manometer gives deflection reading of cm of mercury.. . a Derive
Bernoullis equation by integrating Eulers equation considering steady and irrotational flow.
The difference of levels between the throat and the inlet section is cm. the velocity is V. b
What do you mean by end contraction and velocity of approach Derive all the four different
expressions of discharge for a rectangular notch by considering velocity of approach and end
contraction. Take coefficient of meter as . Find the discharge of oil. . . The flow of oil is in
upward direction. a Derive HagenPoiseuille Equation for the expression of head loss for
laminar flow through a circular pipe. a Derive Darcy .Weisbach equation for the expression of
head loss in a pipe. If the head lost in jet flow is mm of water determine i The head on orifice
causing the flow ii The coefficient of Velocity iii The diameter of the jet.
b What is Siphon How does it work State its two uses. How to choose the repeating
variables If there are three dynamic variables mass density. . dynamic viscosity and surface
tension. a Explain Buckingham. b What do you mean by Dimensional Homogeneity What is
Reynolds Model Law Describe it in detail. . Theorem in detail. b u/U sin y/ . Write short notes
any four i Momentum Thickness ii Prandtls Mixing Length Theory iii Kinematic Variable iv
Loss due to sudden expansion in a pipe line v Total Energy Line vi Moodys Diagram. B/II// . a
Determine the difference in elevation between water surfaces in two tanks which are
connected by horizontal pipe of diameter mm and length m. Find the ratio between
momentum thickness and the energy thickness .. Consider all the losses. The rate of flow of
water through pipe is . which one of these three should be considered as a repeating variable
while deriving the terms in a problem related top dimensional analysis. . m/s. Take f .
i Answer three questions from Section I and three questions from Section II. iv Figures to the
right indicate full marks.B. State the importance of artificial lighting. OR P. a Write short note
on septic tank with soakpit.O. Illustrate the need of interior decoration for commercial and
residential buildings. a b c . if necessary. seconds. b Write short note on heat exchange of
building. i Unity ii Balance iii Light and shade OR Explain architectural composition with
respect to following points i Scale ii Rhythm iii Proportion What is necessity of rules about
builtup area and explain Floor Area ratio. iii Neat diagrams must be drawn wherever
necessary. vi Assume suitable data. a Illustrate with neat diagram wind effect and stack
effect. vii Section II should be written only on drawing sheets.T. BUILDING PLANNING AND
BUILT ENVIRONMENT Course Time Hours Max. v Use of nonprogrammable scientific
Calculator is permitted. State different zones for the purpose of development of city and
explain it. a b c SECTION I Explain grouping principle with respect to planning of a
secondary school. Civil Semester II Examination. Explain following principles of land scaping.
Marks N. b Explain with sketches reflection of sound from different shapes of surfaces. c
Explain with diagram winter air conditioning and summer air conditioning. . ii Answers to the
two Sections should be written in separate answer books. c Claculate absorption units
required for a hall measuring m m m high to get a reverberation time of . a b c OR . . . Hoe
climatic factors affect the design of building Explain i External reflected component ii Internal
reflected component .E. S.
C. a Draw a detailed plan of a residential building for the line plan as shown in figure . R. The
structure has got ground floor only. Locate doors and windows at suitable location. SECTION
II . however access is provided to terrace using staircase. Give detailed dimensions. . . All
columns are of size mm.C. All the dimensions are internal dimensions of the respective units.
Assume suitable sizes of doors and windows. External walls are One brick thick walls and all
internal walls are half brick thick wall. slab is provided on all rooms. Locat suitable position of
columns. All dimensions are in mm. Use following information The structure is a framed
structure. b What is the cause of excessive reverberation and formation of echo c Explain
any six points to be followed while designing a house drainage system. a Enlist different fire
protection system and explain any one in detail. Draw it to a scale of . Use plinth height mm.
Bath Staircase Verandah . students in each class. of Units. Draw separate plan for ground
and first floor. Sr. Capacity students in each division Structure RCC framed G Use additional
rooms for supporting facilities. Kitchencumdining W. a A secondary school is to be planned in
a city. WC and Bath. Use standard norms and rules to finalise the dimensions of various
units. doors and windows.C. It is a framed strucutre. Assume suitable type and suitable
dimensions for the footing. etc. Use following data and draw a suitable line plan. . Consider
various principles of planning carefully. common room. Min width of each flight . a Draw a
detailed plan of a residential building with suitable scale. No. Draw line plan only. In the
above plan locate suitable positions of columns. Use following data. OR .m b Plan it as a
ground floor only. Name of Unit Living room Bed room Internal Area of Unit in m each No.
like library. OR . Two classes for each standard. drinking water facility. Use suitable scale.
laboratory. b Draw a section for the above plan along line AB as shown in the plan. Plan for
th to th standard.
. Retain all construction lines. shown in fig. Locate position of doors and windows. m above
ground level. Select station point vertically below the point A. Take rise for the steps mm and
tread mm. Provide suitable space for all supplementary services. a Draw a line plan for a
primary health centre in rural area. B/II// . Consider all units are located on ground floor only.
Select eye level at . a two point perspective for the sketch of steps. . Use standard norms to
finalise the dimensions of various units. Selcet station point m below the picture plane. Tilt
the plan at degrees such that point A touches picture plane. a Draw to scale or any suitable
scale.
a Explain in detail dry process of manufacturing of cement with flow chart. . iv Figures to the
right indicate full marks. b Write short note on i Rapid hardening cement ii Super sulphate
cement c Explain in detail procedure for Aggregate Crushing Value test. No. No. No. No. vi
Assume suitable data if necessary. No. or Qu. No. No. b Write short note on i Bulking of sand
ii Soundness of aggregate. .T. Marks N. from Section I and Qu. . No. or Qu. No. or Qu.
CONCRETE TECHNOLOGY Course Time Hours Max. No. SECTION I . S. or Qu. Qu. . OR .
. Civil Semester II Examination. No. Qu.E. i Answer Qu. and Qu. Qu. iii Neat diagrams must
be drawn wherever necessary. ii Answer to the two Sections should be written in separate
answerbooks. P. v Use of electronic pocket calculator is allowed.O.B. or Qu. No. a Explain
the wet process of manufacturing of cement. c Write short note on classification of
aggregates. from Section II. or Qu.
Variance. a Define i Workability. b What care should be taken while transporting and placing
of concrete c What are the factors which affect the strength of concrete OR . a What are
different tests to measure the workability of concrete Explain Slump test in detail. b Explain in
detail Indian recommended method of concrete mix design. a Define Mean strength.
SECTION II . ii Cohesion and iii Segregation. ii High density concrete. a Write short note on
light weight concrete. Coefficient of Variance. b Write short note on elastic properties of
concrete. a Explain the factors influencing the choice of mix proportion of concrete. OR . c
Write short note on factors affecting creep concrete. . OR . . b Write short note on i Fibre
reinforced concrete. Standard deviation. b What are the different methods of mix
proportioning c Explain in detail DOE method for mix design.
a What are the different types of construction chemicals b Explain in detail Marsh Cone
Test. c Write short note on Ultra sonic pulse velocity method. a Write short note on i
Carbonation of concrete ii Corrosion of reinforcement. a What is admixture What are the
functions of admixture and its different types b Write short note onRebound hammer test and
Pull out test. OR . . OR . . ii Pumping of concrete. . a Write short note on Ferro cement. b
Write short note on i Under water concreting. a Write short note on i repair by jacketing ii
Stitching of cracks. B/II// . b Write short note onSymptoms and diagnosis of distress. b Write
short note on i Sulphate attack ii Acid attack.
THEORY OF STRUCTURE I Course Time Hours Max. Answers to the two Sections should
be written in separate answer books. Use of cell phone is prohibited in the examination hall. .
or Q. Q. from Section I and Q. Use of electronic non programmable pocket calculator is
allowed. SECTION I . . a. b A cantilever AB of span . Q.E. a Determine static and kinematic
degree of indeterminacy for the structure shown in Fig.O. Neat diagram must be drawn
wherever necessary. or Q. if necessary and clearly state. or Q.T. . . from Section II. Assume
suitable data. . Find the slope and deflection at B in terms of EI by Castiglianos first theorem.
or Q. Marks Instructions Attempt Q. Civil Semester III Examination. P. Q. Q. m is loaded with
point load of kN at free end B. S. Figure to the right indicates full marks. or Q. or Q. .
Take E GPa. while the bar B has the same length of A but has diameter of mm for middle
onethird of its length and the remainder is of mm diameter. c . . Find the maximum
instantaneous stress. c A weight of kN falls through mm on a collar rigidly attached to the
lower end of a vertical bar of m long and mm in c/s sectional area. Determine the strain
energies stored in bar A and B in terms of LE. Fig. a Explain in brief. c. . OR . c Determine
the vertical and horizontal deflection at point C for the frame ABC loaded and supported as
shown in Fig. . classification of structures with suitable examples. b The bar A is of mm
diameter throughout its length.
b by theorem of three moment and draw shear force and bending moment diagram. OR . . b
by Castiglianos second theorem and draw the B M diagram. b Analyze the continuous beam
loaded and supported as shown in Fig. . Draw shear force and bending moment diagram. a
Analyze the continuous beam loaded and supported as shown in Fig. . Draw S F and B M
diagram. a Determine the fixed end moment for the fixed beam shown in Fig. . a. b by
Castiglianos second theorem. b Determine the reaction components for the frame loaded
and supported as shown in fig.
. The ratio of length/area for all members is the same. . the panels are mm long and mm
high and the cross sectional areas in mm are marked alongside each member. OR . The pin
jointed truss shown in fig. supports vertical and horizontal loads of kN and kN respectively at
the joint D. The pin jointed cantilever truss shown in fig. Determine the vertical displacement
at D. Determine the forces in all members. Take E kN/mm. carries loads of kN at D and F.
EI is constant. EI is constant. . a by slope deflection method. a Determine the support
moments for the beam loaded and supported as shown in fig. SECTION II . b Analyze the
frame loaded and supported as shown in Fig. OR . b by slope deflection method.
by moment distribution method. b Four point loads of . b A uniform load of kN/m. bending
moment at m from the left hand end. find the shear force and bending moment at mid span
when the leading wheel is m from the right hand support. a Draw the influence line diagram
for the reaction of truss as shown in fig. cross a girder of m span. OR . m long. a. . Also
construct the maximum shar force and bending moment diagram. roll over a girder of m
span. from left to right. . . . from left to right with kN load leading. Calculate the maximum
shear force and bending moment at m from the left support. a Two point loads of kN and kN
spaced at m apart. Analyse the continuous beam loaded and supported as shown in Fig. the
smaller load leading. . crosses a girder of m span. and kN space equally apart at a distance
of m between consecutive loads. . Using influence lines. Calculate the max.
hinged at the crown and springings. . a A three hinged circular arch of span m and central
rise m. B/II// . b A two hinged semicircular arch of uniform cross section is hinged at the
abutments which are at the same level. carries a uniformly distributed load of kN per
horizontal meter run over the entire span and point loads of . and m from the left hand hinge.
. It carries a uniformly distributed load of kN per horizontal meter of span over the left hand
half of the span. has a horizontal span of m with a central rise of m. b Derive an expression
for horizontal thrust H for a two hinged arch when subjected to bending moment at any
section x. and kN at horizontal distance of . a A three hinged parabolic arch. . OR . radial
shear and bending moment at m from the left hand hinge. Calculate the normal thrust. Show
that the horizontal thrust at the abutment is W . Calculate the horizontal thrust and the
reaction at the hinge. It carries a point load W at the crown.
what is the minimum power required to drive the pump ii It is proposed to use the same heat
pump to cool the house in summer. Neat diagrams must be drawn wherever necessary. b
One kg of water at K is first heated to K by bringing it in contact with an intermediate heat
reservoir at K and then to K as before. Heat losses through the walls of the house are
estimated at . b Explain Principle of Increase of Entropy. kW per unit of temperature
difference between inside of the house and atmosphere. Assume suitable data. . Explain why
Carnot cycle is not used as practical cycle. S. Figures to the right indicates full marks.
APPLIED THERMODYNAMICS Course Time Hours Max.E. Marks Instructions Answers to
the two Sections should be written in separate Answer books. What will be the entropy
change of the universe in this case P. electronic pocket calculator is allowed. c A house is to
be maintained at a temperature of C by means of a heat pump pumping heat from
atmosphere. Mechnical Semester I Examination. if necessary. For the same room
temperature. steam tables.O. Use of Mollier chart.T. i If the atmospheric temperature is C.
SECTION I UNIT I . a Discuss equivalence of Clausius and KelvinPlank statement. the same
heat loss rate and the same power input to the pump. what is the maximum permissible
atmospheric temperature OR . a State and explain Carnot theorem.
. b Represent the following processes on PV and TS diagram for Ideal gas i Isothermal
Compression ii Adiabatic Expansion iii Polytropic Compression. Calculate the temperatures
at the major points of the cycle and evaluate the thermal efficiency of the cycle. for the gas. .
pressure bar and temperature C. a Derive an expression for Air standard efficiency of Diesel
cycle. a What are the limitations of separating calorimeter and throttling calorimeter b Show
the following processes on TS amp hs diagram for steam i Isothermal Process ii Irreversible
Adiabatic Process iii Reversible Adiabatic Process iv Throttling Process. KJ/KgK and .
Assume. OR . MPa and is then expanded at constant pressure to the original volume. inlet
pressure and condenser pressure on performance of Rankine cycle. a Derive characteristic
equation of a perfect gas. the effect of superheating. . kg of air is compressed reversibly and
adiabatically from KPa and C to . OR . UNIT II . m. UNIT III . c Determine the state of the
steam in the following cases i Pressure bar and specific volume . the pressure after
isentropic compression being bar and the volume after constant pressure expansion being .
Take R . m/kg ii Pressure bar and temperature C iii Pressure bar and KJ/Kg of heat is
required to generate steam from water at C. a Explain with the help of TS diagram. It
undergoes ideal diesel cycle operations. Sketch the process on PV and TS diagrams and
compute the work transfer and heat transfer. c . b An amount of a perfect gas has initial
conditions of volume m.
KJ/KgK. OR . const. the turbine inlet pressure is MPa and the condenser pressure is . Take
R J/KgK and Cp KJ/KgK. b In a Rankine cycle. kg/sec. bar. a Deduce on expression for the
optimum value of the intercooler pressure in a two stage compressor. The intermediate
pressure is ideal for minimum work and the intercooling is perfect. ii Saving in power
compared to single stage. and the intercooling is complete to C. Determine i Moisture
content at the turbine outlet ii The cycle thermal efficiency Determine above parameters for
the turbine inlet temperature of Saturation temperature at MPa and C Neglect pump work. If
the law of compression is PV. Also state the assumptions made. ii Volumetric efficiency. b A
two stage. b A two stage air compressor compresses air from bar and C to bar. iii Isothermal
efficiency for multistage and single stage. iv Heat rejected in intercooler if Cp KJ/KgK and R
.. single acting reciprocating air compressor draws in air at bar and K. The index of
compression is . if the temperature rise of the cooling water is C. find per kg of air i The
workdone in compressing ii The mass of water necessary for a abstracting the heat in the
intercooler. a Define the following terms for reciprocating air compressor i Isothermal
efficiency. The delivery pressure is bar. . iii Mechanical efficiency. iv FAD. Flow rate of air
through the compressor is . SECTION II UNIT IV . Determine i Power required to drive the
compressor.
a b . KJ/KgK and Cp for CO and SO from the flue gas . KJ/KgK. determine i Equivalent
evaporation from and at C and ii Thermal efficiency of boiler. Assume spectre heat of
superheated steam as . a b c UNIT V With schematic diagram. Assume that the heat carried
away per Kg of moisture in flue gases is KJ.. CO . A blast furnace gas has the following
volumetric composition. into superheated steam at a pressure of bar and . and ash . H and N
. Derive an expression for availability in nonflow system.. UNIT VI Explain how it is
advantageous using an economiser.. ii Alternative fuels. Take Cp for O. a b . KJ/KgK.
Assume that air contains of O and of N by volume. OR Write short notes on the followings i
Bom calorimeter. B/II//..C. is burnt in a furnace with excess air. air preheater and superheater
in a steam power plant. N and air . determine the availability and effectiveness. Explain the
procedure to draw Heat balance sheet for a boiler plant. Calculate the quantity of heat
carried away by the flue gases in KJ/Kg of coal. ii If the air is cooled at constant pressure to
the atmospheric temperature. Find the theoretical volume of air required for the complete
combustion of m of the gas. S . . The boiler evaporates kg of water at . A sample of coal with
C . kg of air at K and bar is enclosed in a closed system i Determine the availability of the
system if the surrounding pressure and temperatures are bar and K respectively. . The flue
gases enter the chimney at C and the atmospheric temperature is C. A coal fired boiler plant
consumes Kg of coal per hour. CO . H .SC. OR Explain the concept of available and
unavailable energy. If the calorific value of fuel is KJ/Kg of coal. a b c . O . N . Find the
percentage composition of dry flue gases by volume. explain the use of orsat apparatus used
in determining the percentage of flue gases.
T. Find the change in volume.E. b Define the following terms i Factor of safety. iv Volumetric
strain. electronic pocket calculator and steam tables is allowed. Answers to the two Sections
should be written in separate books. During a tensile test it is found that the longitudinal
strain is times the lateral strain. Answer questions from Section I and questions from Section
II. S. OR P. Marks N. Assume suitable data. SECTION I UNIT I . ii Lateral strain.O. a Derive
the expression for thermal stresses in composite bars made of copper and steel. if its elastic
modulus is N/mm. Mechanical Semester I Examination. c A cylindrical bar is mm diameter
and mm long. STRENGTH OF MACHINE ELEMENT Course Time Hours Max. Neat
diagrams must be drawn wherever necessary. iii Proportional limit. Calculate the modulus of
rigidity and the bulk modulus. . when the bar is subjected to a hydrostatic pressure of N/mm .
Mollier charts. Use of Logarithmic tables. if necessary.B. slide rule.
Find the stresses in the two rods when the temperature falls to C. . per C. a Derive the
relation between modulus of elasticity and modulus of rigidity of a material within elastic
range. mm. fig. P kN. Ea . fig. . i If the ends dont yield. Calculate the force P necessary for
equilibrium if P kN P kN. S . ii if the ends yield by . Q. Areas of the steel and aluminium bars
are mm and mm respectively. b A member ABCD is subjected to a point loads P. P and P as
shown in fig. per C and a . Take Es N/mm. Q. Determine the total elongation of the member.
b c The composite bar consisting of steel and aluminium components shown in fig. P . N/mm
. c . assuming the modulus of elasticity to be . N/mm. is connected to two grips at the ends at
a temperature of C.
b Derive the expression for shear stress induced at a distance y from neutral axis in the
crosssection of a beam subjected to shear force. The beam is freely supported on a span of
metres. fig.section with a top flange mm mm thick. bottom flange mm mm thick and the web
mm deep and mm thick. a State four assumptions made in theory of pure bending. The cross
section of the beam is a Tsection having the dimension as shown in Fig. Q. If the tensile
stress is not to exceed N/mm. a Explain the following terms in brief i Section modulus ii
Moment of resistance. . find the safe uniformly distributed load which the beam can carry.
UNIT . Calculate maximum shear stress for the section of beam. b A cast iron beam section
is of I. c A simply supported beam carries a uniformly distributed load of N/mm intensity over
the entire span of metre. c OR . . Find also the maximum compressive stress.
Q. a Show that for cantilever of length l carrying a point load at free end i. Take I mm and E
kN/mm. Find also the maximum deflection. Calculate the deflection under each load.
deflection at free end is given by wl Y EI b A beam is m long and is simply supported at the
ends. OR . Use Macaulays method. fig. c UNIT . Sketch the shear stress distribution for the
section. c The beam section shown in Fig. It carries concentrated loads of kN and kN at
distances of m and m respectively from the left end. w. is subjected to a shear force of kN.e.
. Q. c Determine slope and deflection at free end of given cantilever in terms of EI. c . Use
moment area method. a Derive the equation EI d y dx M with usual notations and further
write the relation of shear force and rate of loading. fig. Fig. b Give the relation between real
beam and conjugate beam for the following cases i Roller support ii Free end iii Hinged
support iv Overhanging support v Fixed end vi Deflection at any section. . Ref.
iii Maximum shear stress. Calculate the ratio of the induced stresses.. Factor of safety is and
Poissons ratio is . OR . b For the state of plane stress below. SECTION II UNIT . b Two
elastic bars of the same material and length. Use maximum shear stress theory. Use Mohrs
circle method. a Explain the concept of principal planes and principal stresses. a What are
various theories of elastic failure Explain DistortionEnergy theory. . Elastic limit in tension is
N/mm. c Derive the expression for change in volume of thin cylindrical shell due to internal
pressure. one of square crosssection of side mm and the other of circular crosssection of
diameter mm absorb the same amount of strain energy. delivered due to gradually applied
loads. Also calculate the ratio of applied loads. c Determine the diameter of a bolt subjected
to an axial pull of kN together with a transverse shear force of kN. Fig. determine i Principal
stresses ii Location of principal planes.
UNIT . of equal lengths and are required to transmit the same torque. the critical load by
Eulers and Rankines formula will be equal b A solid circular shaft and a hollow circular shaft
with internal diameter of external diameter. The maximum shear stress should not exceed
N/mm and twist should not be more than l in a shaft length of m. Find a The ratio of Eulers
and Rankines load. a A hollow cylindrical cast iron column is of mm external diameter and
mm thickness. It is hinged at one end and fixed at the other. b State the advantages and
drawbacks of cast iron as an engineering material. UNIT . c Explain stress concentration
phenomenon and methods to reduce the effect of stress concentration. m long. b Determine
the diameter of a solid shaft which will transmit kW at rpm. OR . Also state the limitations of
Eulers formula. OR . are of the same material. i Fe ii SG / iii C iv Mn Cr v Ni Cr vi C S . a
Give the meaning of the following designation of material. a Derive Eulers formula for
buckling load for column with both ends fixed. b For what length. Compare the weights of the
shafts if the maximum shear stress developed in the two shafts are equal. The modulus of
rigidity of material is N/mm.
i Turbine blade ii Piston. iii Toughness. vi Ductility. iv Pulley. a Select suitable material for
the following components and justify. . ii Resilience. v Brittleness. c Define the following
properties of material i Malleability. v Belt. B/II// . b Explain i Creep ii Endurance limit. vi
Gasket. iv Rigidity. iii Connecting rod.
or Q. attempt Q. Q. and Prod. y et . or Q. . Mechanical Semester I Examination. . SECTION
I . . Marks Instructions i Answers to the two Sections should be written in separate answer
books. attempt Q. or Q. Q. OR . S. ENGINEERING MATHEMATICS III Course Common to
Mech. No.E. S/W. or Q. if necessary. No. vii Assume suitable data. Q. ii In Section I. iv Neat
diagrams must be drawn wherever necessary. or Q. Prod. S/W. . dx dx dx x d y b Solve dx
dx dy x y e t . No. Engg. Metallurgy Engg. a Solve any three of the following d y dy i dx dx e x
ii D D y x e x iii D D y x sin x dy y sec x tan x Use method of variation of parameters. iii In
Section II. iv dx d y dy y v x x log x . vi Use of nonprogrammable electronic pocket calculator
is allowed. No. No. Ind. No. II Time Hours Max. Q.O. v Figures to the right indicate full marks.
No. No. . No. No. or Q. Sem. . dt dt dt P. NO. No.T.
Initial conditions are y . yo sin . . If it is released from rest from this l position. find the
displacement y at any distance x from one end at any time t use wave equation y t c y x . a
Solve any three of the following i D D y eex ii D D y ex sin x x iii D D D D y xex iv D D y ex
tan x Use method of variation of parameters v x dy dy x y x dx dx b Solve dx dy dz .
Assuming that there is no friction. z y x z y x . find the natural frequencies of the system and
corresponding normal modes of vibration using matrix method. b System of differential
equations of an undamped system is given by y y y y y y . a A tightly stretched string with
fixed end points x and x l is initially in a x position given by y x. y . OR . y . y .
b Find the Laplace transform of the following any two i t sin t ii cos at cos bt t iii e t t t sin t dt
. a Find the Fourier sine and Fourier cosine transform of fn ex . x . the maximum velocity and
period of oscillation. . t iii u x. Find the displacement of the body from its equilibrium position
in time t seconds. a Solve t x i u . The body is pulled down to cm below equilibrium position
and then released. l b A body weighing Kg is hung from a spring. A pull of Kg will stretch the
spring to cm. c Using Laplace transform solve following differential equation d x dt x t. t ii ux l.
t is bounded and iv u x. x . u x for x l . OR . u u K if .
a Solve f x cos x dx e . SECTION II VII. Also find the regression coefficients byx and bxy and
the correlation coefficient. there are candidates. gt . b Find inverse Laplace transform of the
following any two s i cot ii s s a iii s s a . B A candidate is selected for posts in an interview. A
The two regression lines are x y and x y . for the second post there are candidates and for
the third there are candidates. f x . What are the chances of his getting atleast one post .
Find the mean of x and y. . c Find the Fourier transform of . For the first post. x lta x gt a.
mean.. of mistakes per page No. Fit a Poisson distribution to the data. OR VIII. No. standard
deviation and coefficient of skewness and Kurtosis. of heads Frequency Test the hypothesis
that the coins are unbiased. If these bulbs have an average life of burning hours with a
standard deviation of hours. A The Bombay Municipal Corporation installed bulbs in the
streets of Bombay. From the given information obtain the first central moments. C The
following mistakes per page were observed in a book. what number of bulbs might be
expected to fail in the first burning hours Area for z . at level of significance is . of times
mistakes occurred . B The first moments of a distribution about the values are . . The results
are given below.. C A set of coins is tossed times and the number of heads appearing each
time is noted. No. is . and .
n r r iii r n log r n n log r n r n . to . . a r r n n ii r n . C Prove that f r f r f r . C Find the
constants a and b so that the surface ax byz a x will be orthogonal to the surface xy z at the
point . B Show that the vector field f r r is always irrotational and determine fr such that the
field is solenoidal also. Then show that F F is solenoidal. x IX. . B Find the work done if a
force F x yi xyj displaces a particle in the XY plane from . . A Prove the following any two i b a
log r ba r b r . XI. r OR X. in the direction of tangent to the curve x a sint. z and z . z at at t . B
If F yz i zxj xyk and F a r a . y a cost. A Find the directional derivative of e cos yz at . A Use
Divergence theorem to evaluate F d s where F x i y j z k and s s is the surface bounding the
region x y . . along a curve y x.
. C Find the surfaces of equipressure in the case of steady motion of a liquid which has
velocity potential log x log y log z and is under the action of force F yz i zxj xyk. B Evaluate F
dr where F xy i x z j yk where C is any path C joining . . . . A Use Stokes theorem to evaluate
F dr where F y i xyj xzk and C is C the bounding curve of the hemisphere x y z . to . z gt
oriented in the positive direction. B/II//. C Using Greens theorem evaluate x ydx x dy where C
is the boundary c described counter clockwise of the triangle with vertices . . and . . . OR XII.
OR . b What do you understand by term forging How does hand forging differ from machine
forging c Explain following sheet metal operations with diagram. MANUFACTURING
PROCESSES I Time Hours SECTION I .O. principle of continuous casting with neat sketch.
d Describe principle of metal spinning sheet metal operation with neat sketch. a Describe in
brief working principle of wire drawing with simple block diagram. b Describe in brief.T. a
Define the term Pattern and Casting. OR . d Differentiate between thermoplastic and
thermosetting plastic material. b Explain briefly multipiece pattern with neat sketch. . i
Notching ii Perforating d Explain following categories of forging i Open die forging ii Closed
die forging Max. Why casting is preferred over the other method of manufacturing State any
one example of casting component. c Describe briefly principle of centrifugal casting with
suitable block diagram. c Write down advantages and limitations of mechanical and hydraulic
presses. a What is core and core prints Explain its use in moulding process with suitable
example. high mill and high mill of rolling process. . S.E. Semester II Mechanical Course
Examination. a Compare forward and backward extrusion process with sketch. i Mismatch ii
Hot tear d Compare injection and compression plastic moulding methods. b Explain with neat
sketch. c Explain following defects of casting. Marks P.
b Explain briefly following drilling operation with diagram i Counterboring ii Countersinking .
explain briefly the various tool elements and tool angles in case of a single point cutting tool.
b Explain taper turning operation by swivelling the compound rest with neat sketch. working.
SECTION II . also explain any two with suitable diagram. b Describe buffing and burnishing
finishing process with example of each. working and set up of laser beam welding with neat
sketch. B/II// . a Explain internal and external type centreless grinder with neat sketch. a
Describe principle. a Describe principle. b Explain spot and seam type resistance welding
with suitable set up diagram. b Describe soldering and brazing processes. a With the help of
neat sketches. and set up of ultrasonic welding with neat sketch. OR . OR . working of
horizontal and vertical milling machine with block diagram. a List various accessories used in
lathe machine. b Explain taper turning operation by setting over the tail stock centre with neat
sketch. b Describe Honing and lapping finishing process with example of it. a Describe
contruction. . OR . a Describe construction and working of radial drilling machine with neat
sketch. . b Explain briefly following milling operation with diagram i Form milling ii Gang
milling OR . a Explain contruction and working of plain cylindrical grinder with suitable block
diagram.
Marks Answers to the two Sections should be written in separate books. . b Define and
explain with neat sketches the various types of constrained motions.O. Assume suitable
data. . S. b Determine the degree of freedom of the mechanisms shown in Fig.T. P.
Mechanical Semester II Examination. electronic pocket calculator and steam tables is
allowed. OR . if necessary.E. SECTION I . Black figures to the right indicate full marks. Use
of logarithmic tables slide rule. THEORY OF MACHINES AND MECHANISMS I Course Time
Hours Instructions Max. a Define kinematic pair and discuss various types of kinematic pairs
with examples. a What do you understand by an inversion of a kinematic chain Discuss
various types of inversions of a quadric kinematic chain. Mollier charts. Neat diagrams must
be drawn wherever necessary.
ii At what value of will be total fluctuation of speed of the driven shaft be limited to rpm. . c
Give a neat sketch and explain working of a Indexing mechanism. Find i If a steady torque of
kgm resists rotation of the driven shaft. The driven shaft has a attached mass of weight kg at
a radius of gyration of cm. b The driving shaft of a Hookes joint runs at a uniform speed of
rpm and angle between the shafts is . a Draw a neat sketch and explain working of a
Pantograph. b What do you understand by steering gears State the condition under which
the pure rolling motion of wheel can be obtained when the vehicle take a turn. OR . a Draw a
neat sketch and explain working of any one approximate straight line generating Mechanism.
. find the torque required at the driving shaft when . Prove that the mechanism used for
Pantograph satisfies the required condition.
The crank OA rotates at a speed of rpm in clockwise direction. . BE mm. OR . . AB mm. c
Fig. BC mm. b Define Body centrode and Space centrode. for the mechanism shown in Fig.
b Find velocity of D and angular velocity of link AB. various dimensions are OA mm. BC mm.
Assume crank OA rotates uniformly at rpm clockwise. a Discuss various types of
instantaneous centre with the help of example. AB mm. a State and explain Kennedys
theorem. BD mm. CD mm. Draw velocity diagram using velocity image principle. The length
of links are OA mm. shows a toggle mechanism.
ii Acceleration of piston when the crank is at past I.D. SECTION II . It runs at r. .C.m. and the
connecting rod is mm. Determine i Velocity of slider D ii Angular velocity of link BD. Find by
analytical method i Maximum velocity of piston and the corresponding crank angle.p. b A
reciprocating engine has a crank mm long. a Explain the complex algebra method a velocity
and acceleration analysis of a slider crank mechanism. long.
find the acceleration of the slider B.C. The acceleration of piston. a Derive the loop closure
equation for four bar mechanism.m. Acceleration of midpoint of connecting rod. b For the
mechanism shown in the Fig. The angular acceleration of the connecting rod at the instant
when crank makes with TDC position is rad/s. . c The length of crank in an I. Using Kliens
construction method find The Engine speed in r. OR . Engine mechanism is cm while the
obliquity ratio is . Angular velocity of OA is rad/sec.p.
Stroke length mm. from big end centre mm. b Write a short note on Trifilar suspension
method. Length between centres mm. .D. c A rigid link. Distance of C. Determine analytically
the inertia torque on crank shaft when piston has moved of outstroke from I. a Explain the
concept of two point mass dynamically equivalent system. Time for oscillations when
suspended at small end centre sec. OR .G. has mass kg and radius of gyration mm. mm
long.C. Connecting rod mass kg. Speed of engine rpm clockwise. b The following data relate
to horizontal reciprocating engine Mass of reciprocating parts kg. . Replace this link by
dynamically equivalent system of two concentrated masses located at the ends of the link. a
Explain inertia of geared system.
. b A four bar mechanism is used to generate the function y /x for the range x . Function
generation and Motion generation. OR . a Explain Path generation. Find the corresponding
values of and . if the initial values of the crank angle and follower angle is and respectively.
Take . a Explain Graphical synthesis of four bar mechanism. Find the three precision position
from Chebyshev spacing. b A four bar mechanism with input link l and output link l angles
and for three successive positions are given in the table below If the length of grounded link
is mm. B/II// . using Freudensteins equation find out other link lengths to satisfy the given
positional conditions. Draw the synthesized mechanism in its second position.
motors. . determine what value of resistance must be inserted in the armature circuit to
reduce the speed to r. P. and draws current of A at certain load and speed. Use of electronic
pocket calculator is allowed.c. Neat diagrams must be drawn wherever necessary. series
motor has total resistance between its terminals . Note Torque produced by the motor is
proportional to the cube of the speed. Industrial. Answers to the two Sections should be
written in separate books. S/W. shunt motor draws A current when running at r. S/W Time
Hours Max. Marks Instructions Answer any three questions from each Section. Production.
and respectively. Mechanical Semester II Examination.m. S.E. Find the extra resistance to
be added in series with the motor circuit to reduced speed to of its original value. Assume.m.
shunt motor by armature voltage control and field control with the help of diagram and
graph.T. Prod. ELECTRICAL TECHNOLOGY Course Common to Mech. OR . a Explain the
speed control of d. series and compound d.p. Assume suitable data.p. the torque of the
motor varies as the square of the speed. SECTION I .c. a Draw and explain.O. If armature
and field winding resistances are .c. Black figures to the right indicate full marks.c. b A V d. if
necessary. b A V d. electrical and mechanical characteristic of shunt.
a Explain with the help of neat circuit diagram and phasor diagram. a Write a short note on i
Current transformer ii Potential transformer. V A.C. side Determine i Components of no load
current ii Regulation at full load . a State and explain in context with illumination i Inverse
square law ii Lamberts cosine law. If coil span is . b Two wattmeter method is used for power
measurement of a three phase. how synchronous impedance method is used to determine
regulation of an alternator.A. calculate emf induced per phase and emf induced between the
terminals of this star connected alternator. Find the readings on the two wattmeter. side SC
Test V. OR . supply. V/ V. W on H. . how one wattmeter is used to measure reactive power of
phase balance load circuit. . Hz. pole alternator runs at rpm has flux per pole of .V. b State
and explain following terms in connection with illumination i Luminous intensity ii Glare iii
Utilization factor iv Depreciation factor. OR . Wb sinusoidally distributed. star connected
balance load with impedance of j per phase operated from three phase. b OC amp SC tests
are performed on a KVA. a Explain with diagram and graph. .V. Its stator has slots with
conductors per slot. W on L. A. single phase transformer with following results OC Test V.
leading p. . Hz. b A three phase.f.
. advantages. a With the help of neat diagram explain. disadvantages. b What is stepper
motor How it is different from conventional motors What are its types Explain any one type
construction with applications. If mechanical losses are Watt and stator losses are .
disadvantages and applications of shaded pole single phase motor. a With the help of neat
circuit diagram explain construction. b A three phase. advantages. Hz. List the various
starters used in practice and explain any one of them with the help of diagram. OR . .
constructional feature. KW induction motor runs at rpm at full load. b Obtain expression for
full load torque of threephase induction motor and condition for maximum torque under
running condition. OR . b Why single phase induction motor is not self starting List the
various split phase techniques used in practice. a Explain construction. characteristic
features and applications of universal motor. a State the need of starter for three phase
induction motor. KW determine i full load slip ii rotor Cu loss iii stator input iv efficiency at full
load v net torque developed. pole. applications of i squirrel cage ii wound rotor of three phase
induction motor. Also state the applications of the same. Explain any one technique in detail
with diagram. Also sketch the torque slip characteristic of three phase induction motor.
working. SECTION II .
B/II// . OR . a State and explain various selection criterian on which particular electrical
motor is selected as a drive for industrial applications. State the advantages. b State the
properties of good heating elements used in resistance heating. b With the help of neat
diagram explain working of dielectric heating. a Write a short note on maintenance procedure
adopted for electrical equipments such as transformers and motors in industry.
disadvantages and applications of the same heating method. . Also discuss procedure in
detail used for heating element design in case of circular and rectangular shape of heating
element.
or Q. Q. if necessary. Marks Instructions Answer Q. Q. or Q. C Write step by step procedure
of Liquid Penetrant Test. Explain it on the basis of slip and dislocation movement. S.
Answers to the two Sections should be written in separate books. Mech. from Section I and
Q. A Which factors contribute to fatigue failure Explain about measures that improve the
fatigue life of the component.T. Black figures to the right indicate full marks. or Q. or Q. .
Semester II Examination. . Q. A Differentiate between cold working and hot working. A
Classify engineering materials. Use of logarithmic tables slide rule. from Section II.O.E.
Explain about types and role of polymers in modern engineering industry. SECTION I UNIT I
. OR . or Q. What are its limitations OR P. Explain about types of line imperfections. C Define
Line imperfection. B With the help of neat sketches explain about the defect in crystals. C
Define strain hardening. Neat diagrams must be drawn wherever necessary. METALLURGY
Course Time Hours Max. . electronic pocket calculator and steam tables is allowed. or Q.
Assume suitable data. UNIT II . Mollier charts. B Write a note on Impact Tests. B
Differentiate between slip and twinning. . Q.
. C Write short notes on i Radiography ii Magnetic Particle Testing.. and . B Write short
notes on any i Types of stainless steels ii Nonequilibrium cooling of steels. B With the help of
neat sketches explain any two techniques of ultrasonic testing.. A Draw a typical creep curve
and explain about various stages of creep. Comment on amount of phases present and their
influence on mechanical properties of respective steel. plain carbon steels. B Describe the
following in brief any i Effect of Manganese and Chromium addition on steel. . iv Heat
treatment for high speed tool steel. OR . iii Structure property relationship. ii Creep resisting
steels. . A Draw neatly labeled FeFec diagram and explain about phases. critical
temperatures and various reactions associated with it. A Draw typical microstructures of . iii
Classification of tool steels. UNIT III . . Explain why coarse grained materials are preferred
for very high temperature applications.
Explain gas carburising treatment and state its advantages. A Explain step by step
procedure for drawing TTT curve of eutectoid steel. B Differentiate between hardness and
hardenability. B Enlist the properties bearing material must possess. A Compare castirons
and steels on the basis of mechanical properties and applications. SECTION II UNIT IV . B
Describe merits of case hardening treatments over through hardening treatments. C Explain
the influence of carbon and silicon addition on the structure and properties of cast iron. C
Explain with neat sketches any three of the following i Patenting ii Martempering iii
Austempering iv Normalising. C With the help of neat diagram explain Flame Hardening and
Induction Hardening. OR . Explain any one method for evaluation of hardenability of steel.
Also draw the same. OR . Give examples of two nonferrous bearing materials and their
compositions. A Enlist quenching mediums in the order of increasing severity of quenching.
Explain the stages of heat removal during quenching. UNIT V .
B Give typical composition. important properties and applications of following any i Naval
Brass ii Gun metal iii Cartridge brass iv Invar. OR . C Describe the steps involved in
manufacturing powder metallurgical component. A State the merits and limitations of powder
metallurgy over other manufacturing processes. Draw microstructure of nodular cast iron. B
Explain temperature measurement by seger cones and tempil sticks. C Explain the method
of manufacturing ferritic malleable cast iron. UNIT VI . C Explain powder conditioning
operations in powder metallurgy. B/II// . . A How is nodular cast iron produced State its
advantages over gray cast iron. B Write short notes on any two of the following i
Disappearing filament pyrometer ii Sintering iii Resistance pyrometer. A What necessiates
use of self lubricated bearings Explain working of self lubricated bearings.
Q. or Q. Marks Instructions Answer Q. . Answers to the two Sections should be written in
separate books. . .. . or Q. SECTION I UNIT I . Neat diagrams must be drawn wherever
necessary. During testing it is found that yielding occurs at a load of kN lower yield point and
the maximum load the specimen can take is kN ultimate load . Use of Logarithmic tables. .
STRENGTH OF MACHINE ELEMENTS Course Time Hours Max. Mechanical Sandwich
Semester I Examination.E. Find Yield strength Ultimate tensile strength The breaking
strength elongation reduction in area. Q. questions from Section I and Q. P. electronic pocket
calculator and steam tables is allowed. or Q. questions from Section II. the final diameter
being mm at fracture and the gauge length at fracture being mm. or Q. Mollier charts. or Q.T.
S. if necessary. The specimen breaks at kN.O. Youngs modulus if load corresponding to any
point on linear portion of stress strain curve is kN with corresponding extension . mm. or Q.
Q. a A specimen of material having original diameter mm and gauge length mm is tested
under tension. Q. Assume suitable data. slide rule.
b Define and explain following Poissons ratio Modulus of rigidity. b A metal bar mm mm
section. of a Tsection shown in figure about XX axis passing through CG of the section. a
Derive a flexural formula used for bending stress. c Explain what is proof stress OR . mm.I.
Find the value of Youngs modulus and Poissons ratio. UNIT II . c Draw and comment on
stress strain diagram for ductile and brittle material. and the increase in thickness . mm. b
Find the M. OR . is subjected to an axial compressive load of kN. Figure c Write assumptions
made while deriving the flexural formula. a Derive a relation between Bulk modulus K and
Youngs modulus E. The contraction of a mm gauge length is found to be .
draw bending moment and shear force diagrams. including tension below the neutral axis. a
Draw the complete shear force and bending moment diagram for overhang beam shown in
figure below. . kNm is applied around the horizontal neutral axis. Figure Also find the
magnitude of maximum positive and negative moment. Also calculate the total tensile force
on the cross section. find the stresses at the extreme fibers of the cross section. . b Explain
point of contraflexure with suitable diagram. b Two wooden planks mm mm each are
connected to form a Tsection of a beam Refer Figure . Loads are in kN and length in meter. c
Discuss briefly the practical shear stress distribution at fange and web junction. OR . a A
beam of square section is used as a beam with its diagonal horizontal. UNIT III . Find
maximum shear stress in the cross section of the beam. a For overhang beam shown in Fig.
Fig. Also sketch the shear stress distribution across the depth of the section. If a moment of .
iv Torsional rigidity. b A beam of m long and simply supported at each end has a UDL of
N/m extending from left end to a point m away. Maximum permissible shear stress is MPa.
OR . Power rotating at rpm. Also calculate the angle of twist for a length of m. a Explain the
following in short i Torsional stiffness.F. There is also a clockwise couple of Nm applied at
the centre of the beam. ii Statically indeterminate shaft. b Cantilever beam of length L and
subjected to uniformly distributed load w over its entire length. iii Torsional flexibility.
Maximum torque is likely to exceed mean torque by . Determine slope and deflection at face
end. c Design the diameter of solid circular shaft to transmit kw. Figure SECTION II UNIT IV .
Neglecting weight of beam draw S. diagrams and find the maximum bending moment. and
B.M. Take G GPa.
Assume EI constant. Compare maximum shear stresses in the shaft at hertz.. find i slope at
C and D ii deflection at C and D iii maximum deflection in portion AB. c Two shafts are made
of same material . Each shaft is to transmit kW power. b For the simply supported machine
element supported as A and B as shown in fig.. UNIT V . Maximum tensile stress is MPa and
Poissons ratio is . b Explain weighted point method. . fig. a Derive the equation d y EI M dx
with usual notations and further write the relations of shear force and rate of loading. Derive
a suitable section according to strain energy theory. One is hollow with outside diameter mm
and inside diameter mm. The other is solid with mm diameter. factor of safety . a A square
pin is required to resist a pull of kN and shear force at kN. c Define the following terms i
Creep ii Hardness iii Fatigue iv Ductility. OR .
The elastic limit of the steel in tension is MN/m and Poissons ratio is . Also find increase in
volume of tank. If the criterion of failure is a Maximum shear stress b Maximum strain energy.
MPa. c Give the meaning of the following designation of material i C iii FG ii CS iv MnCr .
Compute the wall thickness of tank assuming yield stress of MPa and factor of safety .. a A
steel tube has a mean diameter of mm and a thickness of mm. OR .. Calculate the torque
which can be transmitted by the tube with factor of safety of .. Determine maximum shear
stress in the pole assuming weight of the pole to be kN. a A thin spherical tank of m diameter
is subjected to internal gas pressure of . b Select the suitable material for the following
components and justify i Boiler shell ii Flywheel iii Connecting rod iv Turbine blade v Gasket
vi Bushes for sliding contact bearing. and E GPa. c State the assumptions made in Eulers
theory. UNIT VI . Assume Ewood N/mm. Take v . b A weight kN falls axially from a height of
m on a vertical wooden pole m long and mm diameter fixed at lower end. State the limitation
of Eulers formula for buckling load.
If the thickness of the vessel is mm. ii Change in strain energy stored for same axial force.
As axial force of kN produces strain energy of kNmm in the bar. mm for axial tension of kN.
m each. If the bar is turned down to a circular rod of mm diameter find i Modulus of elasticity
of the material. It was found to elongate by . a A circular tube of m length was cut into two
equal pieces of length . b A metal bar mm mm in cross section is mm long. One of them was
tested in universal testing machine. Determine axial load this column can carry. . c A thin
cylindrical pressure vessel of mm diameter is subjected to an internal pressure of N/mm.
Outer and inner diameter of tube are mm and mm respectively. Find the hoop stress
longitudinal stress and maximum shear stress. B/II// . The other piece is now to be used as a
column with one end fixed and other hinged.
E.C. Assume carbon is burnt to CO and remaining to CO. engine fuels UNIT II . engine. a
Explain the following properties of fuel i Flash point ii Pour point iii Fire point. Determine
volumetric analysis of dry fuel gases. S. Max.T. a Explain Mollier diagram. c Explain the
following terms i Dry steam ii Superheated steam iii Critical point iv Degree of superheat v
Sensible heat vi Saturation temperature vii Latent heat viii Wet steam.I. Marks . b A fuel
having chemical formula CH is burnt with excess air. c Why is viscosity important property in
case of C. OR . OR P. b Write a short note on Alternative fuels for I. a Explain orsat
apparatus with a neat sketch. b Compare Carnot and Rankine cycle along with TS diagram.
THERMAL ENGINEERING I Time Hours SECTION I UNIT I . Mechanical S/W Semester I
Course Examination.O.
Condensate is returned to the boiler by a feed pump. of coal is . b Explain air preheater with
a neat sketch. Steam is exhausted into a condenser at . kj/kg.S. find the savings in coal
consumption per hour. b A steam power plant operates on Rankine cycle. a Classify boilers
in details. coal is burnt at the rate of kg/hr. Find thermal efficiency of a boiler. It receives
steam from boiler at bar and C. UNIT III . Calculate i Heat supplied ii Net work iii Rankine
efficiency iv S.V. c Determine equivalent of evaporation from and at C for a boiler which
receives water at C and produces steam at bar and C. If thermal efficiency is increased by
due to the use of an economiser. OR . The C. . b Write a short note on Boiler draught. Steam
generation rate is kg/hr. c Explain spring loaded safety valve with a neat sketch. bar.C. a
Explain i Boiler efficiency ii Equivalent of evaporation iii Factor of evaporation. a Explain
combined separating and throttling calorimeter with a neat sketch. .
The compression ratio is . SECTION II UNIT IV . b State and explain various statements of
second law of thermodynamics. calculate the heat supplied by each source and efficiency of
the engine. and pressure at the end of expansion iii Thermal efficiency iv Mean effective
pressure v Power output if mass flow rate of air is . Find i Fuel cutoff ratio ii Temp. a What
are the limitations of the first law of thermodynamics Illustrate with examples. kg/sec. b In an
air standard diesel cycle. kg of water per minute is heated from C to C by passing hot
exhaust gases from boiler at C. determine the net change of entropy of the system
considering the heat exchanger as an isolated system. KJ/kgk. KJ/kgk and Cp . b Derive an
expression for air standard efficiency for dual cycle. Take Cpg KJ/kgk and Cpw . a Compare
otto and diesel cycle. Assuming the engine to execute a number of complete cycles while
developing kw and rejecting KJ/min. UNIT V . . The gas flow rate is kg/min. a Write a short
note on Principle of increase of entropy. c In a crossflow heat exchanger. a Mention the
various assumptions made in air standard cycle analysis. . c A reversible engine is supplied
with heat from two constant temp. compression begins at bar and k. Heat added per kg of air
is KJ. KJ/kgk. OR . Take R . b Define i Heat engine ii Heat pump iii Refrigeration. sources at
k and k and rejects to a sink at k.
engines. of brake drum . iii BMEP iv BSFC v Brake thermal efficiency. b Explain Battery
ignition system.P.P. OR . of fuel KJ/kg Dia. b A single cylinder stroke diesel engine gave the
following results while running on full load Area of indicator card mm Length of diagram mm
Spring constant bar/mm Speed of the engine rpm Load on brake N Spring balance reading N
Dia. of cylinder mm Stroke mm Calculate i IMEP ii B.C.V. kg/hr C. UNIT VI . a Explain
Methods of cooling of I. a Define the following i B. m Fuel consumption . c Explain Morse
test. iv Brake thermal efficiency. ii BSFC iii I. c Explain Simple carburetter.P. B/II// .
. d A glass fibre reinforced polystyrene contains vol. . SECTION I . Give example of each.
Neat diagrams must be drawn wherever necessary. Answer Q. . GN/m. if necessary. . .E. Q.
P. from Section I and Q. Q. or Q. d Write down classification of composite with examples of
each.T. from Section II.O. or Q. . Estimate Youngs modulus of the composite in the
longitudinal direction of the fibres. Q. a Draw the following planes and directions vectors in a
cubic unit cell any six . . c Describe stages involved in the manufacturing of spark plug
insulator. S. Marks Answers to the two Sections should be written in separate books.
PRODUCTION METALLURGY Course Time Hours Instructions Max. Q. of parallel fibres. a
Distinguish between traditional and engineering ceramic materials. or Q. b A . c What is
Shape Memory Alloy Explain any one alloy in detail. . OR . or Q. . or Q. Calculate the
engineering stress on the bar in MPa. . .. a What is vitrification process In what type of
ceramic materials vitrification takes place b Describe slip casting process. or Q. . cm
diameter bar is subjected to a load of kg. Given Youngs modulus of Glass GN/m Youngs
modulus of polystyrene . Mechanical S/W Sem. b Explain manufacturing of the following
fibres Boron and Carbon. I Examination. Assume suitable data.
c Write only principles of the following NDT test any three i Dye penetrant test iii
Radiography ii Ultrasonic test iv Magnaflux test .. b Draw neat label microstructures of the
following steel and cast iron any four i Medium carbon steel ii High carbon steel iii White cast
iron iv Malleable cast iron v Nodular cast iron. C. mm Calculate UTS. Yield stress. ii Eddy
current test and Magnaflux test. a Draw full FeFeC equilibrium diagram and show temp. OR .
reduction in area. Draw creep fracture. iii Brinell and Poldi hardness test. phases and
reaction points on it. c Differentiate between the following any two i Charpy and Izod impact
test. mm Diameter at Fracture . b What is creep Draw creep curve and explain. OR .
elongation Fracture stress. Write three methods of improving creep life of component. critical
temp. a The tensile test specimen of mild steel of mm diameter and mm gauge length shows
following results Maximum load kg Yield load kg Fracture load kg Increase in gauge length
after fracture .. d Draw SN curve for Steel and Aluminium.
a Write the following reactions on the FeFeC equilibrium diagram any two i Eutectoid
Reaction iii Eutectic Reaction with temp. SECTION II . d Explain the following any three i
Temper embrittlement iii Subzero treatment ii Quench cracks iv Retained austenite ii
Martempering iv Isoforming ii St v T iii AISI ii Peritectic Reaction . d Draw following heat
treatment on TTT diagram and write down purpose and application any three i Ausforming iii
Patenting OR . c Write a note on Cooling media in heat treatment.. c What is age hardening
Which alloy shows age hardening Explain conditions involved in age hardening. bands for
heat treatment Annealing . . b Draw steel portion of the FeFeC equilibrium diagram and show
temp. with their properties and applications. a What is hardenability Explain test which is
used to find out the hardenability. C b What is weld decay in stainless steel How to minimize
this problem c What do you understand by following specification i C iv T W Cr V OR c Write
any two types of tool steel. Normalizing and Hardening. b With figure explain any two types
of heat treatment furnaces. a Differentiate between TTT and CCT diagram.
c Write note on any two i Galvanizing ii Electroplating OR . d Draw neat label
microstructures of the following any two i Brass ii Brass iii Babbit. a Give composition.
properties and uses of the following NonFerrous metals any six Tinmans solder Babbit
AlBronze ALNICO Y Alloy Gun metal LM Invar. c Explain Anodising. OR . OR d Draw CuZn
equilibrium diagram and show effect of zinc on the mechanical properties of CuZn alloy. B/II//
. a Differentiate between the following any two i PVD amp CVD ii Flame hardening and
Induction hardening iii Carbonitriding and carburising b Case depth control is easy in
induction hardening Justify. a Explain the principle of Induction hardening. . c Explain Season
cracking in Brass. a What are the requirements of a bearing materials b Explain Equivalent
zinc in Brass with example. b Differentiate between and Brasses. b State advantages and
limitation of Nitriding over carburising. iii Blackodising .
or Que.. No.T. SECTION I Unit . No. Use of logarithmic tables. Answers to the two Sections
should be written in separate books. Que. S. No. c What are the common materials used for
pattern making Discuss their relative merits and demerits. or que. from Section I and Que. c
Step by step. Mechanical S/W Semester I Examination. OR .O. or Que. Marks Instructions
Answer Que. describe complete procedure of investment casting with sketch. No. No. . No.
Que. Que. or Que. . if necessary. or Que. Que. No. No. a What are the common methods
used for cleaning the surface of casting b How does a permanent mould casting method
differ from sand casting Will you prefer the permanent mould casting method for production
of castings in small number Give reasons in support of your answer. Black figures to the right
indicate full marks. No. Assume suitable data. PRODUCTION ENGINEERING I Course Time
Hours Max. electronic pocket calculator and steam tables is allowed.E. . slide rule. .. No. or
Que. Mollier charts. No. a Sketch a permeability tester and explain how you will use it for
determining the permeability number of foundry sand. Neat diagrams must be drawn
wherever necessary. from Section II. b What different types of gates you know Explain them
with the help of suitable sketches stating their relative merits and demerits. No. What are the
main advantages of preheating the investment mould P.
b Explain in detail Tungsten Arc Gas Shielded TAGS welding process with suitable diagram.
c Describe different types of gas flames used in gas welding. OR . Unit . c Write a note on
Adhesives and state their applications. a Explain the Mechanical Working of metals. a
Compare gas welding with arc welding process. b Sketch and describe construction of i OBI
press ii Straight sided press. a Compare AC are welding with DC arc welding. Unit . b
Explain the principle of operation. OR . Draw neat sketch. State their relative merits. List few
extruded products you know. List few products made by forging process. a Define forging. c
How direct extrusion differs from indirect extrusion Discuss their relative merits and demerits.
. What do you understand by recrystallisation and recrystallisation temperature b What is
continuous rolling mill Sketch it and state its advantages. advantages and area of application
of explosive welding. Describe with the help of a neat sketch a Board drop hammer used for
drop forging.
c Sketch and describe back geared headstock of Lathe. a List six different accessories used
on lathe and state the purpose of each one. Gears available are from teeth to teeth in a step
of and teeth. Calculate the gear train and sketch it. State its advantages. a List different types
of lathes you know Describe any one in detail. a Sketch and describe in short following
milling cutter i Plain milling cutter ii End mill iii Angular milling cutter. Unit . OR . b Explain the
following operations performed on lathe with a simple sketch.mm pitch and starts to be cut
on a lathe with a lead screw of mm pitch. SECTION II Unit . b What is Twist Drill Draw neat
sketch of Twist Drill showing various parts and name it properly. OR . c A multi start screw . c
Differentiate between up milling and down milling. i Eccentric turning ii Facing iii Parting off. b
List out various taper turning methods on lathe and explain the taper turning attachment with
sketch.
c What is meant by Honing State merits and demerits of honing process. and . . c What is
negative rake milling Explain. . Comment on this statement. and teeth. . . a Calculate
differential indexing for divisions. . Gear set is . . b Sketch and describe in brief a Sensitive
drilling machine. . a Use hard wheel for soft materials and soft wheel for hard materials. How
do the Through feed and Infeed methods differ in centreless grinding and where are they
used B/II// . . b Explain the principle of centreless grinding. Hole circles are . a Define
abrasive and differentiate between aluminium oxide and silicon carbide grinding wheel in
respect of i Hardness of wheel ii Applications iii Type of bond iv Cost of wheel. . OR . . Unit . .
b Explain various type of bonds used in grinding wheel. .
Assume suitable data. SECTION I . a Explain with neat sketches. P. b Draw neat sketch and
write a note on Peaucelliers Mechanism. Neat diagrams must be drawn wherever necessary.
Black figures to the right indicate full marks. a With the help of figure.E. Marks Instructions
Answer three quetions from Section I and three questions form Section II. inversions of four
bar chain giving their practical applications. S. Answers to the two Sections should be written
in separate books. THEORY OF MACHINE AND MACHINE DESIGN I Course Time Hours
Max. explain different types of Instantaneous centres. c Draw neat sketch and write a note
on Geneva Mechanism. . b Explain degree of freedom in mechanisms. a Explain completely
constrained motion and successfully constrained motion by giving example of each.
Mechanical Sandwich Semester II Examination. Use of electronic pocket calculator is
allowed. if necessary.O. c Differentiate between Ackermann steering Gear Mechanism and
Davis steering Gear mechanism.T. . OR .
OR . ii Angular velocity and angular acceleration of link BC. mm long. Replace this link by
dynamically equivalent system of two concentrated mass located at the ends of the link. b
What is meant by correction couple When do we need to consider it c A rigid link. i Velocity
and acceleration of slider D. b For mechanism shown in Fig. claculate. has mass kg and
radius of gyration mm. . By using instantaneous centre of rotation method./sec. a With the
help of neat schematic diagram./sec. I shows a mechanism in which crank OA is rotating
anticlockwise at rad. calculate velocity of slider D and angular velocity of link BC. in which
crank OA is rotating anticlockwise at rad. b Fig. OR . velocity and acceleration of slider in
case of a slider crank mechanism.By using relative velocity and relative acceleration method.
derive frequency equation of compound pendulum. a Derive the equation by analytical
method for finding displacement.
vii Engine speed rpm clockwise.M. from big end centre mm.S. If transmit the power to a belt
pulley of weight N and diameter mm. respectively. Explain the design procedure of Kennedy
key.G. SECTION II . kW power at rpm through a coupling located to the left of left hand
bearing. iii Stroke length mm iv Length of connecting rod between centres mm v Radius of
gyration of connecting rod about an axis through C. The combined shock and fatigue factor
for bending and torsion are . mm vi Distance of C.D.G.E. The outer and inner diameters of
screw collar are mm and mm respectively.M.E. if key selected has mm width. a Explain A. b
The following data relate to horizontal reciprocating engine. The . The ratio of belt tensions of
tight and slack sides is . OR . The belt tensions act in vertically downward direction. b A shaft
supported between two bearings mm apart. code for shaft design. code and ii the various
stresses in rectangular key. Determine by analytical method. a State the advantages and
limitations of the welded joints. c Draw a neat sketch of kennedy key and clearly mark the
area under shear and area under crushing. . a State Castiglianos theorem and its
applications.C. a Explain dynamically equivalent system. mm height and mm length. The
shaft material has a yield strength of N/mm and an ultimate tensile strength of N/mm .S. b
Compare flexible coupling with rigid coupling. which is located at a distance of mm to the
right of right hand bearing. b A power screw having double start square threads of mm
nominal diameter and mm pitch is acted upon by an axial load of kN. . i Mass of reciprocating
parts kg. Determine i the shaft diameter using A. and . ii Mass of connecting rod kg. receives
. the inertia torque on crankshaft when crank has turned from I.
The fan pulley diameter is mm. find. The density of belt material is Kg/m and belt width is
mm. The allowable tensile stress in the belt is limited to MPa. The centre distance between
the shaft is . The screw rotates at rpm. and . a Explain polygonal effect in chain drive. a What
are the bolts of uniform strength b Differenciate between compound screw and differential
screw. c A rope drive is used to transmit kW power from a mm pitch diameter pulley rotating
at rpm to a mm pitch diameter pulley.. B/II// . Assuming uniform wear condition at the collar
and allowable thread bearing pressure of . coefficient of thread friction and collar friction may
be assumed as . ii the stresses in screw and iii the height of nut. N/mm. If the permissible pull
for cash rope is N. m and the coefficient of friction between the belt and the pulley is .
respectively. b Explain the procedure for the selection of belts from manufacturers
catalogue.. OR . The pulley groove angle is and the centre distance is m. kg per meter and
the coefficient of friction between the rope and pulley is . Calculate i the belt thickness ii the
belt length and iii the initial tension. while the motor pulley diameter is mm. i the torque
required to rotate the screw. . c Explain the procedure to design a welded joint subjected to
eccentric loads in the plane of the weld. The mass of rope is . determine the number of ropes
required. rpm electric motor. a State the modes of failures in wire ropes. b A fan is driven by
an open belt drive from kW. OR .
Neat diagrams must be drawn wherever necessary. b Enumerate the factors on which tool
life and tool wear depends. chip velocity. Marks Instructions Answer three questions from
Section I and three questions from Section II. v Velocity of chip along the tool face. iv
Velocity of shear.m/min. i Cutting speed m/min ii Uncut chip thickness . shear strain. iii Angle
of shear. mm v Cutting force N vi Thrust force N vii Chip thickness . Shear stress along shear
plane. S. a A pipe mm in diameter is being turned on a lathe with a tool having a rake angle
of and a feed of . iii Rake angle iv Width of cut . ii Thickness of chip. The tangential force is N
and feed force is N. Assume suitable data.T. a In a orthogonal cutting operations following
are the observations. b Sketch the single point cutting tool geometry and explain back rake
angle and side rake angle. cutting power. The length of chip over one revolution of workpiece
is mm. if necessary. SECTION I .E. Calculate Shear angle. Mechanical S/W Semester II
Examination. Friction angle. P. OR . .O. PRODUCTION ENGINEERING II Course Time
Hours Max. Calculate i Coefficient of friction on rake force. Answer to the two Sections
should be written in separate books. The cutting speed is . mm/rev.
ii Write short notes on a Thread milling b Broaching machines. OR . i List the advantages. i
Draw a sketch showing typical set up of FMS. . i Discuss the various gear finishing
operations. disadvantages and product applications of EDM. iii What are the basic
components of CNC system Explain the function of each. limitations and applications. iii
Explain following codes a G b G c G d M e M f G . OR . ii What is the function of electrolyte in
ECM List the common electrolytes used in ECM. ii Differentiate between CNC and DNC.
State its advantages. . OR . Explain function of each block and state advantages of FMS
over conventional CNC system. i Discuss the geometry of Broach teeth with neat sketch. i
Explain with neat sketch NC motion control system. ii Explain with neat sketch vertical
machining centre. List the advantages and disadvantages of gear hobbing. SECTION II . iii
Explain with neat sketch EBM. ii Explain the principle of gear hobbing.
iii Explain the various methods of reducing shear forces. Write short notes on Conical
Locator and strap clamp principle of location Milling fixtures. i Draw a sketch and explain the
principle of AJM. iii Describe the use of a Slip renewable bushings b Fixed bushings. ii
Sketch the various methods of holding punches. . ii Write a note on importance of die radius
and die clearance in press tool design. ii Explain with heat sketch PAM. . i List and explain
different types of drill bushes. ii List various types of Jigs and explain any one. B/II// . iii State
and explain various factors affecting MRR in EDM process. OR . Discuss various parameters
that influence the material removal rate of the process. i Define a Lancing b Piercing c
Notching d Blanking. . i What are the various types of stripper Explain their function with the
help of suitable sketches. OR . iii Differentiate between the compound die and the
combination die.
/Prod. a Sketch a common gating system. .T. b Sketch the following hand tools of moulder
and state their uses. Answer to two Sections should be written in separate answer books.
SECTION I Unit I .E. b Sketch and explain following types of core i Balanced core ii Drop
core iii Kiss core. Also draw only sketches for Top gate. Figures to the right indicate full
marks.O. i Rammet OR . S. Lable all parts on it and explain function of each part . a Sketch
and describe the following pattern used for making sand mould i Match plate pattern ii Sweep
pattern iii Segmental pattern. c What are the function of additives used in molding sand P.
Horn gate. Production amp Industrial Engg. Marks Instructions Attempt one question from
each Unit in Section I and Section II. ii Swab iii Strike off bar. Pencile gate. Parting gate. Neat
diagrams must be drawn wherever necessary. MANUFACTURING PROCESSES I Time
Hours Max. S/W Semester I Course Examination.
Average feed . . a Why automation is necessary in modern foundry Explain how will you
achieve automation in different area in foundry b Compare the hot chamber and cold
chamber die casting. OR . causes and remedies. a Define the following casting defects along
with their sketch. Compare their relative merits and demerits. a A hollow work piece of mm in
OD and mm in length. c Differentiate capstan and turret lathe. over travel is mm. Unit II . a
Calculate change gears to cut double start RH threads of . c Highlight the specification of
lathe machine. mm/revn and cutting speed m/min calculate machining time. Draw the sketch
and what modification is required for cutting of LHT b Explain with neat sketch appron
mechanism. mm pitch on a lathe having lead screw of mm pitch. If tool approach length is
mm. Unit III . b Describe any two types of taper turning processes used on lathe. is hold
between centres and turned over the entire length in passes. i Blow holes ii Scabs iii Misruns
b Suggest a suitable casting method and justify it for following components. Available gear
train T to T in step of . i Pipe ii Fly wheel iii Scooter engine block OR .
Tapping c Write down the difference between multispindle drilling machine and Gang drilling
machine. . mm/revn and cutting speed m/min. a What is core drill When is it used Write its
advantages over a standard twist drill. . Plate . . . SECTION II Unit IV . . . b Write a note on
the following i Hand and machine reamer. . OR . c Calculate machining time to drill a hole of
mm in diameter and mm in length by using a drill of size mm. Plate . a Explain with neat
sketch a friction disc feed mechanism of planer machine. . . . feed . c Calculate compound
indexing for division. b Draw sketches for following operation and state their uses. Unit V .
.Trepanning . .Counter sinking . . a Draw a neat sketch for a universal radial drilling machine
and lable it. The hole circles available are Plate . b Explain with neat sketch following
operation to be perform on milling machine i T slot ii Concave profile iii Dovetail groove. ii
Self centering chuck. OR . .
b Explain standard marking system of Grinding wheel. i Recessed two side ii Dish type iii
Straight cup type. a Explain with neat sketch the angular surface machining and keyway
grooves machining in case of shaper machine. b Explain with a neat sketch a hydraulic
shaper mechanism. b Explain with neat sketch the horizontal broaching machine. B/II// . if
feed/ tooth/ revn is to be mm find machining time for one cut along a work piece of mm long.
c Draw the sketch and write the application of following grinding wheel shape. a Explain with
the help of neat diagram honing process list the product application of honing process. . List
the product application of broaching process. c A face milling cutter of mm in diameter has
teeth. OR . Unit VI . a Explain with neat sketch the in feed and End feed centreless grinding.
the cutting speed is m/min. c Compare buffing and lapping process.
T. b What are the different types of protection ckt. . F/F with waveform. OR .O. SECTION I .
Assume suitable data. c List various types of shift register. State various types of counter and
explain any one in detail. Comment on intrinsic stand off ratio . i SCR ii MOSFET Give any
one application of each device. Marks Instructions Answer questions from Section I and
questions from Section II. Black figures to the right indicate full marks. Neat diagrams must
be drawn wherever necessary.I characteristics of UJT. OR P. a Explain S. a Explain i Fan
regulator ii Off. amp Industrial Engg. if necessary.E. b Explain V. Also list the applications of
UJT and explain UJT as a relaxation oscillator.line UPS with the help of suitable
diagram./Prod. INDUSTRIAL ELECTRONICS Course Time Hours Max. a Draw and explain
VI characteristics of following devices. Explain bit left shift register along with o/p waveform.
b Define counter. of power supply Explain any two in detail. Answers to the two Sections
should be written in separate books. .R. S/W Semester I Examination. S. Prod.
a Explain induction heating and low hardening can be done by it. OR . a Explain the
following with block diagram. . a Explain how ultrasonic waves are used to measure the level
and flow of liquid in detail. . It is then filled with liquid and copped and moved further. Sketch
the o/p waveform and waveform across capacitor. Also state advantages and disadvantages
of PID controller. b Explain schmitt trigger with application. a For first order system. a Explain
PID controller with neat diagram.C. Explain any one application in detail. Empty bottle is
moved to filling station. OR . b Explain various types of D. b Explain in detail what features
you will consider while selecting a transducer for particular applications. motors. b Explain
the procedure to control speed of AC motor along with neat block diagram. a State ideal
characteristics of opamp. SECTION II . . c Draw and explain square wave generator using
opamp. find out o/p of the system when i/p applied to the system is unit ramp. b State and
explain the following specifications of first order system i Rise time ii Time constant iii Delay
time iv Percentage overshoot OR . i Proximity sensor ii Weighing machine b Draw and
explain scheme to control automatic bottle filling plant using conveyor belt.
d y t dt dy t y t e t . Neglect initial conditions. b Obtain the solution of differential equation
given below using Laplace transform. a For the n/w given in figure below find V s i Also give
significance of laplace transform. B/II// . Write short note on i SCADA ii Direct digital control
system iii Robotics OR . dt c State the advantages of laplace transform technique in solving
linear differential equation. . Vo s . Write short note on i Steel plant ii Thermal Power Plant iii
Cement Plant.
AB cm. a b . S/ W Sem. Take OA cm.T.O. How will you determine the ratio of time of cutting
to return stroke Define kinematic link and discuss various types of kinematic links with
example. BC cm. Use of electronic pocket calculator is allowed. a The crank and connecting
rod of steam engine are . Assume suitable data. Determine velocity and acceleration of slider
P. Prod. Neat diagrams must be drawn wherever necessary. if necessary. Also determine
the position of crank for zero acceleration of piston. . and Industrial/ Prod. BP cm. SECTION I
What do you understand by an inversion of kinematic chain Explain various types of
inversions of a bar chain with suitable diagrams. THEORY OF MACHINES Course Time
Hours Max. OR . a Discuss various types of instantaneous centres with the help of example.
S. meter in length. below. The crank rotate at rpm clockwise. Answers to the two Sections
should be written in separate books. P. . a b . b In a toggle mechanism as shown in fig.
Determine by analytical method the velocity and acceleration of piston when crank is from
IDC position. meter and . OR On which kinematic chain a whitworth quick return motion is
based Discuss its working with the help of neat sketch. Figures to the right indicate full
marks. II Examination. What do you mean by constrained motion What are different types of
constrained motions Explain each type with examples and neat sketches. Marks Instructions
Answer any three questions from each Section.E. crank OA rotate rpm clockwise.
Wheel C has teeth and wheel D has teeth.G. Crank angle with IDC . Length between
centres mm. c Two gear wheels of cm and cm pitch diameters have involute teeth of . Driving
shaft rotates at rpm and transmits . Connecting rod mass kg. for Que b SECTION II Fig. The
compound wheel revolves freely on a pin which projects from an arm rigidly mounted on the
driven shaft. b Explain under cutting with suitable sketch. mm. Determine i Speed of driven
shaft ii Torque transmitted by driven shaft iii Fixing torque. from big end centre mm. The
driving and driven shafts and internal wheel are coaxial. Radius of Gyration of connecting rod
about C. Engine speed rpm clockwise. diametral pitch and pressure angle . b The following
data relate to horizontal reciprocating engine. The internal wheel B is fixed and module of all
gears is same. a Explain following terms in gears with suitable diagram i Circular pitch ii
Tooth thickness iii Addendum. for Que. Determine inertia torque on crank shaft. Distance of
C. b . while any pair of teeth is in contact. OR . kW power. neglect losses. b A gear wheel A
having teeth is rigidily mounted on driving shaft. The addenda are mm. It gears with
compound wheel CD. a What do you understand by epicyclic gear train What are merits and
demerits of epicyclic gear train compared to compound gear train. . Wheel C gears with A
and D gears with internal wheel B..G. Stroke length mm. Mass of reciprocating parts kg.
Determine i Length of path of contact ii Contact ratio iii Angle turned by pinion. . Fig.
mm and mm respectively. These masses are revolving at radii mm. find maximum velocity
and acceleration of follower during descent. . iii Follower to return to its initial position during
of cam rotation. Angle of dwell between ascent and descent. The distance between planes A
and L is mm and M and A is mm. The cam is rotating clockwise at uniform speed of rpm. OR
. Lift of follower mm. a Give detail classification of follower. b Draw profile of a cam operating
a knifeedge follower from the following data i Follower to move outward through a distance of
mm during of cam rotation. a Draw and explain displacement diagram when follower moves
outstroke with cycloidal motion. R . mm. Minimum cam radius is mm and follower stroke line
is offset mm from cam axis. find their magnitude and angular positions. mm and mm
respectively in planes measured from A at mm. Angle of ascent. . Follower moves with
uniform acceleration and retardation during outstroke and return stroke. d . Explain any three
types of follower with suitable diagram. a Explain effect of partial balancing of locomotive.
Least cam radius mm. The angles measured anticlockwise are M to M . b Four masses kg.
OR . Diameter of roller mm. M to M . Angle of descent. SECTION II . M to M and the distance
between the planes L and M in which the balance masses are to be placed is mm. If the
balancing masses revolve at a radius of mm. Distribute between follower stroke line and cam
axis mm. and kg are attached to a shaft. iv Follower to dwell for the remaining of cam
rotation. b From the following data draw the profile of cam in which follower moves with SHM
during ascent while it moves with uniform acceleration and retardation during descent. ii
Follower to dwell for next of cam rotation. kg. kg. If cam rotates at rpm anticlockwise.
m. . b A machine of kg mass is mounted on three springs. During vibrations. b The cranks of
a two cylinder uncoupled outside cylinder locomotive are at right angles and arc mm long. c
Determine the natural frequency of vibration of a system show in fig below OR . it is found
that the amplitude of vibration diminishes from mm to mm in two complete cycles. a What do
you mean by damping What are various types of damping b Explain working principle of
seismic instrument. The distance between the centre lines of the cylinder is . m. The whole of
rotating and two third of the reciprocating masses are to be balanced in a plane of driving
wheels at radius of mm. The rotating masses per cylinder kg and masses of reciprocating
parts per cylinder is kg. Find i The magnitude and angular positions of balance masses ii The
maximum speed of the locomotive in km/hr without lifting the wheels from the rails if the dead
load static load on each driving wheel is N and diameter of driving wheels is . each of
stiffness N/mm and is fitted with a dashpot to damp out vibrations. B/II// . The wheel centre
lines are . a Write a short note on i Vibration Transmissibility ii Critical speed of shaft.
Determine i Resistance of dashpot at unit velocity ii Frequency ratio of damped vibrations to
undamped vibrations iii The time period of damped vibrations. . a Explain how a single
revolving mass is balanced by two masses revolving in different planes. m apart.
b Differentiate between slip and twinning. Q. Q. . P. Mollier charts. or Q. a Explain the
property and microstructural changes during cold working and annealing of metals.E.
Semester II Examination. c Show the following planes in cubic unit cell . . Q. . a Derive
Schmids law for critical resolved shear stress for single crystal. Marks Instructions Solve Q.
Answers to the two Sections should be written in separate books. Q. Neat diagrams must be
drawn wherever necessary.O. . or Q. . or Q. electronic pocket calculator and steam tables is
allowed. Use of Logarithmic tables.T. Engg. . amp Ind. d What is composite material OR . or
Q. . Prod. or Q. or Q. . slide rule. ENGINEERING METALLURGY I Common to Production
S/W Course Time Hours Max.. S. b What are point defects in crystal c Explain strain
hardening. Q. d Calculate resolved shear stress of a single crystal if applied tensile stress is
kg/mm and slip plane is oriented at to the tensile axis. Black figures to the right indicate full
marks. SECTION I . .
. vi Hardness. iv Vickers Hardness Test. . iv S N curve. v Brale indenter. ii Resilience. iii
Charpy specimen. v Rockwell Hardness Test. ii Brinell Hardness Test. ii Principle of
magnaflux test. b Draw following schematic figures i Creep curve. iii Ultrasonic test. iii
Toughness. OR a Write only disadvantages of the following test any five i Poldi Hardness
Test. ii Gamma Ray Radiography. iii Creep Test. a Explain the following terms any five b
State only limitations of the following NDT method any three i Magnaflux test. v Proof stress.
i Transition temp. iv Dye penetrant test. iv Endurance limit. vi XRay Radiography. vi Charpy
and Izod impact Test.
ii Resistance pyrometer. ii Isomorphous system. microstructure. mm. The constants in the
Hall . . . c Explain the working of Disappearing Filament Type Pyrometer. d Derive the
formula for Iso stress condition in composite material. a Explain equilibrium cooling of partial
eutectic system.Petch eqn are i MN m and K . b Calculate the yield strength of polycrystalline
iron with an average grain diameter of . MN m . OR . iii Photo electric pyrometer. a Explain
the following any two i Grain refinement strengthening mechanism. Draw figure. c Write any
two types of thermocouple material composition. ii Martensitic transformation. b Explain the
principle and working of the following type of pyrometer any two i Thermoelectric pyrometer.
b Explain the following with example. i Layer type system. iii Solid solution strengthening.
SECTION II . OR i . a Derive Lever Rule. a Explain Age Hardening with example. c Write
uses of Eutectic alloy. b What is ordered and disordered substitutional solid solution along
with example c What is coring How to eliminate coring d Explain plotting of equilibrium
diagram.
ii Tap density. iv Green spring. B/II// . OR . ii Sintering process. Write four important
advantages of powder metallurgy method. a b c d Explain powder conditioning. What are
different methods of obtaining powders in powder metallurgy. a Differentiate between the
following i Dry and wet corrosion. iv Compaction methods for powder. iii Flow rate. OR . iii
Manufacturing of cermet. Write short notes on any four a Metal spray deposition. b Ion
implantation. b Explain following terms i Apparent density. c State the principle and working
of Electroplating. b Explain with the help of example cathodic protection. ii PVD and CVD. .
Explain manufacturing of self lubricated bearing. d Inhibitors. c Anodising. a Write short note
on any three i Particle size and distribution in powder metallurgy. e Coating surface
preparation. .
E. Charge on electron e . Electron volt eV . SECTION I . How is it different than ionic
polarization OR P. Coulomb. Debye unit . Black figures to the right indicate full marks. metre
second. Joules.T. Coulombmetre. Electrical Semester I Examination. Mass of proton m .
Dielectric constant of free space . MATERIAL SCIENCE Course Time Hours Instructions
Physical Constants Angstrom unit AU metres. kg.O. Joule degree . Assume suitable data.
Describe its construction and working principle. Marks Neat diagrams must be drawn
wherever necessary. Max. Velocity of light C . Avogadros number NA . b Explain orientation
polarization in detail. Permeability of free space . a Write different materials used for
photovoltaic material. Your are advised to attempt not more than questions. if necessary.
Mass of electron m . . Boltzmanns constant k . kg. S. Faradmetre./gram molecule.
Fibrous Materials. OR .. a Explain with a neat sketch principle and applications of
photoemission. . b Compare between electronic and ionic polarization. Varnish. a What do
you understand by technically pure and contaminated liquid b Describe various breakdown
mechanisms in vacuum. Ceramics. . b With a neat sketch explain oil filtration method.
rotating machines and line insulators. ii Primary ionization and secondary ionization. .
SECTION II . Describe various materials used with reasons and their properties for i Solders
ii Bimetals and thermocouples iii Transmission lines iv Brushes. capacitor. Describe
insulating materials used in switch gears. Write down properties or applications of Paper
Press Board. Asbestos. Write down properties and applications of i Constantan ii Tungsten iii
Copper iv Nickel chromium alloys. Askarel Insulating Gases like Air and SF. OR . . OR . a
Describe between i Breakdown voltage and breakdown strength.
OR . Where are they used . a Write short note on Carbon Nano tubes. What is the principle
of operation of Gauss meter. Explain it. b Draw figures of BN Nano tubes. B/II// . a Describe
measurement of flux density with Gauss meter. b What are various conducting mechanisms
in Nano structures Explain Nano structures. a How will you measure loss angle with Schering
bridge b What is sphere gap voltmeter What is its use OR . b Explain various tests conducted
on high voltage bushings. . a Describe carbon molecules and carbon clusters.
P.T. a Define and explain load curve. II Examination. Find the load division between the two
units as total load varies from MW to MW. P Power outputs Bmn Loss coefficients. .E.O. S.
POWER SYSTEMS I Course Time Hours SECTION I . OR a Show that the system
transmission loss in case of two plants sharing the load on a power system is given by PL BP
B P PPB Where P. What information is obtained from it How load duration curve is obtained
from load curve b The incremental costs in RS/MWh of two MW units are as under. p dp
Max. Electrical Sem. p dp dc . Marks The minimum load of each unit is MW. dc . Compute
the savings per year for economical load allocation as compared to equal load sharing for a
total system load of MW.
i Between three cores bunched together and sheath is F . i Average load. b The capacitance
of a three core belted type of cable are measured as. a What are the different excitation
systems for alternators Explain any one in brief with a neat diagram. Determine voltage
distribution across the units and string efficiency. The annual load factor is . . b Derive the
expression for most economical size of the cable. . OR . iii Diversity factor. the disc nearest
to the line conductor has the highest voltage distributed across it. Calculate the capacitance
per phase. Hz supply. The power station supplies loads having maximum demand of MW.
The capacitance of link pins to metal work and guard ring is and of the capacitance of each
unit. b A three unit insulator string is fitted with a guard ring. b Define the term string
efficiency and show that in a string of suspension insulators. Also find the charging current
when connected to kv. iv Demand factor. a What is grading of cables Write a note on
practical difficulties in grading of cables. MW. a What are the different types of voltage
regulators used for voltage control in power stations Explain any one in brief. b A MW power
station has annual peak load of MW. ii Between a conductor and the other two connected to
sheath together is F . three phase system if a dielectric stress of kv/cm can be allowed.. ii
Energy supplied per year. a Derive expression for maximum and minimum dielectric stress in
a single core cable. . OR . MW and MW. Find the most economical size of a single core
cable working on a kv. State any assumptions made in the derivation. Find.
a Derive expression for the regulation of a short transmission line in terms of line parameters
and discuss qualitatively its dependance on the load power factor. Hz line with conductor
spacing of . Hz supply. m and diameter of each conductor is . a Discuss the method of
images in determining the effect of earth on the capacitance calculation of transmission lines.
Use nominal pi circuit and find the sending end voltage. b A single phase km line is m above
the ground. lagging power factor. OR . i Capacitance between conductors including the effect
of ground. . L SECTION II . Consider the following cases separately. /ph. Find. MW at kv and
. It supplies a load of . i Conductors placed at the corners of an equilateral triangle. regulation
and power angle. b A km long. iv Charging current when the E line is charged at kv. nF km .
assume transposed lines. inductive reactance of /ph and capacitance line to neutral of . ii
Horizontal spacing of conductors. OR . three phase overhead transmission line has
resistance of . a Derive the expression for inductance/km of a three phase overhead
transmission line when three conductors are spaced at the corners of an equilateral triangle
having its each side equal to d meters. iii Capacitance when effect of ground is neglected.
The diameter of the conductors is cm and is separated by m horizontally. cm. ii Capacitance
between phase and neutral including effect of ground. b Calculate the inductance and
inductive reactance per phase per km of a three phase kv.
. a Obtain the relationship for the sending end voltage and current in terms of receiving end
voltage and current for medium transmission line with nominal T method. Evaluate the
generalised circuit constants from it. b Three phase transmission lines are having
generalised constants as,
AD.,B,C.
A D . , B , C . They are connected in series and deliver a load current of A at . power factor at
kv. Find overall generalized constants of the series connection and determine sending end
voltage.
. a What is receiving end power circle diagram From first principle obtain equation from which
coordinates, centre of circle, radius of circle is obtained. What type of information is obtained
from it b A transmission line has a span of m between level supports. The conductor has an
effective diameter of . cm and weighs . kg/m. Its ultimate strength is kg. If the conductor has
ice coating of radial thickness . cm and is subjected to a wind pressure of . gm/cm of
projected area. Calculate sag for a safety factor of . Weight of cubic cm of ice is . gm. OR . a
What are the different factors affecting the sag of a transmission line Explain in detail. b Write
a note on universal power circle diagram. c Write a short note on ACSR conductors.
B/II//
S.E. Electrical Semester II Examination, NETWORK ANALYSIS Course
Time Hours SECTION I . a With necessary examples and sketches, explain the following
terms, related to networks. i Active network and passive network ii Dependent and
independent sources iii Practical and ideal sources. b Discuss the methods i supermesh
analysis ii supernode analysis, used for network analysis. Give the examples of such circuits
where these methods are recommended. c Find out the current in branch AC of the network
shown in fig c. Max. Marks
OR
P.T.O.
. a Explain Dot convention used for couplled circuits. b Determine node voltage Vb for the
circuit shown in fig b.
c Determine the current ix in the circuit shown in fig C using mesh analysis and confirm the
value of current using nodal analysis.
. a Write short notes on Natural and forced response of RL series circuit.
b The switch in fig b is opened at t after having been closed for a long time. Find a iL t for t gt
b iL m sec c t if iL t . iL
OR
. a Discuss initial conditions in network elements R, L and C. b In the circuit shown in fig b,
determine Va and Va if switch K is closed.
c Determine Vc,
dVc at t , if switch K is opened at t in the circuit dt shown in fig c.
Fig c . a Discuss Sdomain networks and their solution using Laplace transform. What are the
advantages of Laplace transform solution against classical method
b In the circuit of fig b, find the expression for voltage vt for t gt .
OR . a Explain standard time signals i Step function ii Ramp function iii Impulse functions
State their Laplace transform. b Find the Laplace transform of the function whose nature is
as shown in figures b to b
SECTION II . a State and explain i Thevenins theorem ii Nortons theorem iii Maximum power
transfer theorem. b Verify Tellegens theorem for the network shown in fig b.
OR . a State and explain i Superposition theorem ii Millmans theorem iii Compensation
theorem. b For the circuit shown in figure b, using Millmanss theorem, find the current in load
impedence ZL j .
. a Explain two port network parameters i Zparameters ii Y parameters iii hparameters iv
transmission parameters. b Find Zparameters of the port network shown in fig b.
OR . a Derive the expression for resonant frequency in a parallel circuit shown in fig. a.
b Prove that for an RLC series circuit the resonant frequency is geometric mean of upper and
lower half power frequencies.
. a Write short note on Evaluation of Fourier coefficients.
b Find the trigonometric Fourier series for the periodic signal ft shown in fig. b.
OR . a Write short notes on i Fourier transform of periodic signals ii Properties of Fourier
transform iii Analysis of nonperiodic signal over entire interval using Fourier transform.
a Compare the following i Accuracy and precision ii Data uncertainity and error propagation
iii Syntax error and formulation error iv Absolute and relative error. i xn ii x xxx OR . Fx x x K .
S. Assume suitable data.T. i . a Find the range of values of K for which all the roots of the
following equation are real. b Apply Descartes rule of signs to discuss the nature of the roots
of the equation. Use of logarithmic tables. slide rule. Marks Instructions Answers to the two
Sections should be written in separate books. Roundoff the following numbers to four
significant figures. Neat diagrams must be drawn wherever necessary.O. . SECTION I .
electronic pocket calculator and steam tables is allowed. Mollier charts. P. DIGITAL
COMPUTATIONAL TECHNIQUES Time Hours Max. b Explain the term significant digits.
Electrical Semester II Scheme Examination. iii . ii . Black figures to the right indicate full
marks. if necessary.E.
. . a Solve using secant method to find root of Fx x. F x F x F x x x . SECTION II . . show
iterations. b Solve by using GaussJordan method. What is the best estimate you can give for
the value of the function at the position of the independent variable Solve using divided
difference interpolation formula. F x F x . b Describe Graeffes squaring method for obtaining
the root of a polynomial equation. OR . b Obtain the more general formula for the root of Fx .
b Solve by using GaussSeidel method. to five places of decimals by Newtons Raphson
method. x x x x x x x x x x x x x x x x OR . OR . log x . x y z t x y z t x y z t x y z t Show
iterations. a The following table is given x fx What is the form of the function fx b The
observed values of a function are respectively . and at the four positions . a Compare
GaussSeidal method with GaussJordan method. . a Why pivoting is used Explain partial and
full pivoting process with examples. a Obtain . and of the independent variable.
b Explain modified Eulers method with graphical interpretation to obtain solution of ordinary
differential equation. Take x . a Prove Simpsons rule for numerical integration as a follow up
of Newton Cotes quadrature method. B/II// . OR . b Find the form of the function given by x fx
c Prove the operators relation I I I th . x OR . . . a Derive Lagranges interpolation formula for
unequal intervals. a Solve dy/dx x y by Taylors series method to calculate y at x . x y . . b
Solve dy/dx x y for x . using Simpsons rule. . a Fit an exponential curve of the form y abx to
the following data. . with x .. to x h . . b Show that rd dx . . . y as a initial values. a Derive
Milnes predictor formula to solve the differential equation. by using R K method. in two steps.
. sin th b Evaluate cos d by Simpsons rule taking h . y .
c Define the termcontrol lag. Give types of inductive and capacitive transducers. a Draw
block diagram of dual trace CRO and explain its working. . Answers to the two Sections
should be written in separate books. INSTRUMENTATION Course Time Hours Max.
Electrical Semester II Examination.O. Marks Instructions Answer questions from Section I
and questions from Section II. Assume suitable data. b Give detail classification of
transducers. . a Draw a block diagram of generalised measurement system. a Explain
principle of working of inductive and capacitive transducers. b Explain first order and second
order time response for sensors. P. c Define the termprocess lag. OR . OR . S.E.T. Explain
functions of each block. SECTION I . Neat diagrams must be drawn wherever necessary. a
What is meant by the termInstrumentation What are its objectives b Give classification of
measuring instruments in detail. if necessary.
a Describe pressure measurement by McLeod gauge with a neat sketch. a State the basis
for control valve selection. . c State properties of PT element. a State methods of flow
measurement. a Give suitable setup for measurement of temperature of a furnace and
describe it in brief. Explain inclined tube manometer. SECTION II . OR . b State different
types of manometers. c Draw diagram showing constructional details of RTD. . b Define
strain. Give types of strain gauges. b Explain level measurement using radioactive method. b
Explain construction and working of XY recorder with a suitable sketch. b Explain
construction and working of RVDT. b State advantages of electrical transducers over other
transducers. OR . OR . i Water level in tank ii Flow measurement of petrol pump. Explain
differential flow meter. Explain any two types. a Explain construction and working of load cell.
c Suggest a suitable transducer for following measurements and justify your answer.
a Explain various configurations of SCADA system and give applications of this system. a
Compare electric and pneumatic actuators. b Explain ladder diagram and notations involved
in it. b Explain the terms HMI and MMI. b Explain construction and working of magnetic tape
recorder. OR . . . a Draw basic block diagram of PLC and explain it in detail. B/II// .
. a Determine whether CT system is yt xt. S. if necessary. . x n . . . b Find whether the
following signals are energy or power signals and find the value i x t A cos ft n ii x n . find the
period. SECTION I . b Carry out the following operations on the signal with neat sketches
and by sequence. cos ct i Memoryless ii Causal iii Linear iv Time invariant v Stable. .xn iv yn
xn OR . . . Answers to the two Sections should be written in separate books. if yes. u n P. .O.
Neat diagrams must be drawn wherever necessary.E. Marks Instructions Answer any
questions from each Section. xn . . i xt cost sin iii xn cos n t ii x t cos t sin t iv xn cos n .
SIGNALS AND SYSTEMS Time Hours Max.T. a Find whether the following signals are
periodic . . Elex. Assume suitable data. . i yn xn xn ii yn xn iii yn xn. and Electronics amp
Telecommunication Semester I Course Examination. .
. OR . b State and prove any three properties of convolution of CT signals. . . a Evaluate
contineous time CT convolution integral given below. y t t for lt t lt elsewhere x t for lt t lt
elsewhere . Also sketch the result. a Evaluate the DT convolution sum given below yn xnhn
where xn n. for the system of figure. . b Express the output yt as a function of the input and
the system transformations. Fig. Fig. a Find the Exponential Fourier series and plot the
magnitude and phase spectra for the periodic signal xt shown in fig.un hn un .
. b State and verify properties of Fourier transform i Scaling ii Duality. a Prove the frequency
shifting property of Fourier Transform and hence find the Fourier transform of xt sin t. c State
equations for trignometric Fourier series. Fig. . . . . OR . c Find initial and final value for the
function using Laplace transform ft et. . b Find the Laplace transform of the following using
linearity property ft et t sint cos t. SECTION II . . c Find the Inverse Laplace transform of s Fs
s s if ROC is a b gt b b lt c lt b lt . OR . b Find the Laplace Transform of a periodic function
shown in fig. c Write the Dirichlet conditions for the Fourier Transform to exists. a Explain the
following properties of Laplace transform i Frequency shifting ii Convolution. b Find the
Fourier Transform of xt xt e at.ut. . a What are advantage of Laplace transform over Fourier
transform Explain with example. .
iv sin C t sin C t If pX find i K iii PX gt OR . ii Density function iv P lt X B/II//. a Find the
autocorrelation of the DT energy signal. xn cos n. b Define crosscorrelation of periodic
signals and explain its properties. iii sin C t OR . . c The PDF of random variable x is given by
FxX x. a State and prove Sampling Theorem. . b Find Nyquist sampling frequency and
interval for the following signal i sin t sin t. b Sketch Gaussian PDF and write expression for
Gaussian PDF. b CDF for a random variable x is given by f x x Kx xlt x xlt ii sin t. .e x x Find i
CDF Fxx ii PX iii P lt X lt iv PX gt . . a Define the terms mean. expectation and standard
deviation.sinc n . moments. a List and explain properties of CDF and PDF. . . . . cos t.
ND cm ii NA ND cm . SEMICONDUCTOR DEVICES AND CIRCUITS Course Time Hours
SECTION I . . Given n cm/vsec p cm/v sec ni . Elex. Electronics and Tele Communication
Semester I Examination. a The resistivity of two sides of step graded germanium diode cm
Pside and cm nside calculate the height of potential barrier. a Determine junction potential for
a silicon junction Pn at T K for i NA cm.E. when i diode is ideal ii Vr . Marks OR . P. . a
Calculate the anticipated factor by which the reverse current of Germanium diode is
multiplied when the temperature is increased from C to C.T. per cm. S.V and Rf b What is
ohmic contact State the important properties of ohmic contact. Max. b Define the following for
Pn junction diode i Cutin voltage ii Forward dynamic resistance iii Reverse break down
voltage. b Explain the difference between Drift current and diffusion current. a Find the diode
current ID in fig.O. b Explain the difference between mobility and conductivity. OR .
Ro. Cs b Draw drain and Transfer characteristics of nchannel JFET. b Define gm. a For the
JFET amplifier circuit shown in fig. a An FET used in the amplifier circuit shown in fig. . OR .
Ri. i Draw small signal model ii Calculate AV. has following parameters. VGS . . rd K . OFF
Determine i VGSQ ii TDQ iii VDSQ iv gmo v gm. rd and of JFET. IDSS mA . Give relation
between them. Indicate various region of operation.V. Given gm mA/V .
. VGsON V. OR . Given IDON mA . SECTION II . iii Temperature effect. i Breakdown effect ii
Subthreshold conduction. a Explain the following non ideal characteristics of MOSFET.
calculate the D. VT V. b State true or false i MOSFET is unipolar device ii MOSFET is
voltage controlled device iii In EMOSFET conducting channel is induced at VT. iv MOSFET
is prefered as VLSI device. b For the EMOSFET amplifier circuit shown in fig. IDQ and
VDSQ.C. a Explain the following biasing circuits used for EMOSFET. i Voltage divider bias ii
Voltage feedback bias.. bias values VGSQ.
b In CE amplifier shown in fig. . uses a transistor whose hparameters are hie . hfe . OR .
VBE . hre . . Indicate what variable is held constant. the transistor has . a Define in word and
also as a partial derivative i hie ii hfe iii hre iv hoe. hoe A/V. i AV ii AVS iii Ri iv Ro.K. . b The
transistor amplifier as shown in fig. Calculate the values of R and RC such that the transistor
has IC mA and VCE .V. calculate. V. a Define S. S and S with repect to stability.
B/II// . a The RC coupled amplifier is to pass Hz square wave with no more than tilt.
Calculate overall voltage gain mid band in dB. rd K . b In an RC coupled amplifier derive the
following relations. . b A three identical noninteracting stage FET amplifier has gm mA/V.
Calculate the maximum lower cutoff frequency allowed for the amplifier. a Explain the effect
of coupling bypass and junction capacitors of transistors used in amplifier circuits on the
frequency response of an amplifier. Assuming the last stage has a load of K . RD K . RG K .
tr . FL and S FH F OR .
Assume suitable data. . Neat diagrams must be drawn wherever necessary.T. a With
suitable example distinguish between Open loop control and closed loop control Linear
system and nonlinear system. obtain Reduction Technique.E. Vo s using Block Diagram Vi s
Fig. S. Use of logarithmic tables. SECTION I I. Mollier charts. slide rule. amp E amp TC
Semester I Examination. if necessary. ELEX. Marks Instructions Answers to the two Sections
should be written in separate books. b For the network shown in Figure . OR P. CONTROL
SYSTEMS Course Time Hours Max. electronic pocket calculator and steam tables is
allowed.O. Black figures to the right indicate full marks.
Determine s s s different static error coefficients. How it is superior to feedback control b For
the network shown in Figure . b Sketch the root locus of the system with G s H s K . Vo s
using Signal Flow Graph Vi s Fig. explain Feed Forward Control. Obtain the value of s s s s .
a A unity feedback control system has G s . r t t b Write short notes on Dynamic error
coefficients. s s s Determine the position of the closed loop poles. III. a What are the
standard test signals considered for error calculation analysis Explain. Determine the steady
state error for an input t . OR IV. undamped natural frequency for of the marginal value of k. c
A unity feedback system has G s K for the system to be stable. obtain Technique. a With
proper example. K . II.
GM and PM.a Define State State variable State vector State space b State the properties of
State Transition matrix. b For the system having G s H s and comment on stability. Comment
on stability. X OR VIII. b Sketch the Bode plot for the system with G s H s s . c Obtain a state
space model of the system with transfer function. SECTION II VII. V. Sketch the Nyquist plot
s s s Y t X t . OR VI. a State and explain Nyquist stability criterion. a Write short note on
Correlation between Time Domain and Frequency Domain. Y s . a What are the advantages
of State Space Analysis techniques over transfer function techniques b Find out the time
response for unit step input of a system given by X t X t U t and . U s s s s . pc . s s s s
Obtain gc.
V at C. a A thermistor is to monitor room temperature. B/II// . Evaluate the effect of self
heating. b Sketch the output of a PID controller for Step input Ramp input. PD and PID
Controllers for a step input. a Sketch the outputs of P. c Compare between Metallic strain
gauge and semiconductor strain gauge. Where it is used OR X. D. What is its limitation b
Sketch a Piezoelectric type accelerometer. Explain its working. The dissipation constant PD
mW/C. IX. b Draw the PLC ladder diagram for an Elevator Control System. b With a neat
sketch. c Draw the block diagram of a PLC and explain the function of each block. a Explain
the working of an Electromagnetic flow meter with a neat sketch. It has a resistance of .
explain how to use synchros as an error detector. Consider all sensors as direct inputs to
PLC. PI. I. What are the different types of inputs which can be connected to PLC OR XII. K at
C with a slope of /C. Devise a divider circuit for this to provide a voltage . a Justify the
statement. XI. Proportional Controller is a natural extension of ONOFF Controller.
DIGITAL SYSTEM Course Time Hours Instructions Max. a Draw and explain the working of
I/P TTL and CMOS NAND gate. . OR . Neat diagrams must be drawn wherever necessary. .
S. a Design and implement BCD adder using binary adder.T. Answers to the two Sections
should be written in separate books. a Minimize the function using K map and implement
using NAND gate only. Marks Answer any three questions from each Section.O. . b Draw
and explain TTL input profile and TTL output profile. . b Perform the following conversions i ii
iii OR . SECTION I . Black figures to the right indicate full marks. C. B. amp EampTC
Semester I Examination. .E. a Explain the interfacing of TTL to CMOS and CMOS to TTL. .
P. b Explain the operation of CMOS NOR gate I/P. . F A . Elex. . b Design bit comparator
using logic gates. D m . . .
a With the help of block diagram and waveform explain dual slope AID converter.. . B. a
Design MOD using IC . b Design and implement the following sequence detector using TFF.
a Design and implement bit binary to gray code converter using PLA. . . b Implement max
using max. OR . a Design and implement Mod synchronous counter using DFF. C m ..
explain the operation of bipolar static RAM cell. Use Mealy model .. ii F A. a Convert JK FF to
i DFF ii TFF. OR ... C m . . b Discuss various types of read only memories. b Draw and
explain the operation of bit ring counter. OR . Explain its working... B. B/II// .. b Design a
sequence generator using shift register . b Design and implement full adder using suitable
decoder. b With circuit diagram explain the function of bit bidirectional shift register.. . b With
neat circuit diagram. a Explain in brief.. SECTION II . Draw its waveform. successive
approximation method of ADC. OR . a Design and implement bit ripple upcounter using JK
FF. a Implement the following function using PLA i F A . .
All questions are compulsory. amp E and TC Semester II Examination. . S. C Draw the
PSPICE nchannel MOSFET model. C How will you minimise parasitic effect in CMOS
Inverter Explain in detail. Fig. A Compare voltage multiplier circuits. Max. . P.O. Marks
SECTION I .T. Black figures to the right indicate full marks. OR A Write a notes on CMOS
characteristics.B. B For the circuit shown in fig.Assuming ideal diode sketch IR and VO.E.
Neat diagrams must be drawn wherever necessary. B Write a notes on i Clipper ii Clamper.
ELECTRONICS CIRCUITS AND APPLICATIONS Course Time Hours N. Elex.
A Derive the expression for second order harmonic distortion point method. .. . C The
dynamic transfer characteristics curve for a given transistor is ic ib lb Where. hje . OR . At the
same point fT MHz and Cob pf. B Explain different drive circuit of POWER MOSFET. B The
following frequency parameters are known for given transistor at ic . OR . A A
complementary pushpull amplifier has capacitive coupled load RL supply voltage V calculate
i Pacmax ii PD of transistor iii Efficiency. ib cos t Calculate the percent harmonic distortion.
hoe A/V. B Explain operation of ClassB power amplifier. B Write a notes on SOA. SECTION
II . Compute all the values of hybrid parameters of CE transistor model. mA. hre . A Explain
turnoff characteristics of Power BJT. VCE V at room temperature and hparameters are hfe .
C Compare class B push pull and complementary symmetry amplifier. OR . A Explain
behavioral of transistor at high frequency using Tmodel. B Explain operation of a Class A
PushPull amplifier. A Explain switching model of MOSFET and turnoff characteristics.
A Draw circuit diagram for transistorised series feedback regulator. hfe . C How will you
boost output current in terminal voltage regulator Show necessary arrangement. B Explain
the different characteristics of tuned circuits. A Explain the block diagram of three terminal
regulator. B Design an adjustable voltage regulator for following specifications V V to V I . . B
Write down features of three terminal voltage regulator. A Derive the expression for output
resistance with feedback and show that due to negative feedback the output resistance
reduces for voltage series feedback amplifier. B Write a notes on i Miller crystal oscillator ii
Hartley oscillator. . B/II// . gm mA/V. C . B A quartz crystal has following components L . A
Show that the lower dB frequency with feedback is less than the lower db frequency without
feedback. A A single stage CE amplifier is measured to have bandwidth of MHz with a
resistive load of . . make suitable assumption. Define load regulation and line regulation.
Assume the following parameters for transistor. Derive expression for it. Cc pf. OR . rbb .
Calculate the values of series and parallel resonant frequencies. C Pf and R . Amp using LM
. OR . FT MHz. Find the value of source resistance RS that will give the required Bandwidth.
PF. Derive expression for output voltage. H.
b What do you mean by collisions in Hashing Explain with example. OR P. b What is
recursion Explain with example. Write down ADT of STACK. Answers to the two Sections
should be written in separate books. a Define ADT. Marks Instructions Answer three
questions from Section I and three questions from Section II. . Mollier charts.O. electronic
pocket calculator and steam tables is allowed. S. Neat diagrams must be drawn wherever
necessary. slide rule. if necessary. amp EampTC Semester II Examination. Black figures to
the right indicate full marks. Use of logarithmic tables. SECTION I . c Write a C function to
swap two numbers using pointers.E.T.Elex. Assume suitable data. b Explain what do you
mean by Row major and Column major representation with respect to Array representation.
OR . DATA STRUCTURES AND FILES Course Time Hours Max. a Write down difference
between Structure and Union. a Compare sequential and random file organizations. . c
Compare Static and Dynamic Memory Allocation.
Convert following infix expression to postfix using above algorithm. OR . a Explain node
structure of DLL. . b Define Stack. a Write a C function to insert a node in SLL. Represent
following polynomial using GLL. Using C Write down structure template for a node in DLL.
Show array after each pass. c Write algorithm to create SLL. Consider all possibilities.
Explain with example operation performed on STACK. xy xy y y x c Compare SLL and DLL.
b Write a function in C to delete a node in DLL. a Differentiate between Circular Queue and
Linear Queue. a Write algorithm in detail to convert an infix expression to postfix expression.
. b Sort the following numbers using Bubble Sort and Insertion Sort. b Write function in C to
insert and delete an element in linear queue. b Define GLL. a Explain method of binary
search with example in detail. a b c d /a b . SECTION II . . c Explain Priority queue with
example. OR .
a Define DFS and BFS for a graph. b What is Threaded Binary Tree Explain in detail with
example. OR . form BST. a Define the following terms with examples Binary Tree BST
Completely Binary Tree Strictly Binary Tree Forest. . b With proper example of graph show
adjacency matrix and adjacency list representations. . b Write a function in C to create BST.
a For following data. . . Show BFS and DFS for any graph. OR . . . preorder and postorder
form . B/II// . b Explain in detail shortest path algorithm with example. Show steps in detail
Traverse the tree in inorder. . a What is Spanning Tree Explain with example algorithm to
find minimum spanning tree. . . .
a A modulating signal mt is given by i mt cos t ii mt cos . t cos t P. SECTION I . a What is
modulation Explain different types of modulation in detail. Neat diagrams must be drawn
wherever necessary. Sem. Assume suitable data. a Explain need of modulation and hence
explain basic block diagram of communication system. OR . . c Explain different types of
baseband signals. ELEX amp EampT. if necessary.T. b Compare high level and low level
modulation. c State different types of communication channel with their bandwidth and
application.C.O.E. II Examination. . b Explain generation and detection of PPM with help of
waveforms. Answers to the two Sections should be written in separate books. b What is TDM
Explain in detail with the help of block diagram. S. Marks Answer any three questions from
each Section. Black figures to the right indicate full marks. OR . hence explain high level
modulator. a Explain generation of DSBSC modulator using FET in detail. ANALOG
COMMUNICATION Course Time Hours Instructions Max.
and carrier frequency of KHz. b What is the need of preemphasis Draw and explain its
working. b Sketch AM signal for a periodic triangular signal mt having VPP equal to V and
frequency of KHz at m . c Why FM is known as constant bandwidth modulation. a Draw the
simple diode detector and hence explain practical diode detector in detail. a Explain different
sources and types of noise. SECTION II . b Derive the equations of following i Friiss
Formula. a Explain Block diagram of superheterodyne receiver in detail. OR . a Explain direct
method of FM Generation. b Explain various characteristics of Radio Receiver in detail. . t. b
What is tracking Explain the types of tracking in detail. c Compare AM and FM. OR . c
Explain VSB transmission. . i Sketch the spectrum of mt. OR . In each case. a Explain
Armstrong method of FM Generation. iii Sketch the SSB signal spectrum if carrier is cos t. b
Compare NBFM and WBFM. ii Sketch the DSBSC signal spectrum for carrier of cos .
Assume MHz noise bandwidth. b If R K and R K . a Explain the following Line of sight
propogation Duct propogation. . Explain any one type in detail. a Explain noise factor. Derive
the expression for noise factor in detail. B/II// . calculate the thermal noise generated by i R ii
R iii R in series with R iv R in parallel with R. b Explain in detail i Virtual height ii Skip
distance iii MUF iv Fading. OR . . b Draw and explain the Yagi Uda antenna. a State different
types of propogation with their frequency ranges.
a What is AC degeneration Explain why coupling and bypass capacitors are required P.
Mollier charts.O. Marks SECTION I . . Assume Suitable data. Answers to the two Sections
should be written in separate books.E. Derive the expression for the different resistors used
in circuit of voltage divider bias. if necessary. Neat diagrams must be drawn wherever
necessary. Max. explain the working and plot inputoutput characteristics for CE configuration
of a transistor. b Explain the Construction and working principle of FET. a What are the
different configurations in which a transistor can operate With the help of a neat labeled
diagram. b Compare BJT and FET based on the following points Input impedance Thermal
Runaway Controlling parameter Direction of current flow OR .T. electronic pocket calculator
and steam tables is allowed. S. slide rule. Instrumentation and Control Semester I
Examination. . ANALOG TECHNIQUES Course Time Hours Instructions Answer any
questions from each Section. Use of logarithmic tables. . a List and compare various Biasing
techniques. .
calculate the available workable frequency range and the common mode gain value. Why ii
If the amplitude of input signal is mv. . . a Explain the Darlington pair with the help of circuit
diagram. a Define the following terms Slew Rate CMRR Bandwidth Offset voltage and
current. a Explain the block diagram. . R C . a State the Barkhausen criteria. what will be the
amplitude of the signal at the inverting terminal of the opamp. Why iii If the unity gain point of
the opamp is MHz.mA. If the OP AMP used is IC. Compare Wien bridge oscillator and Phase
shift oscillator based on the following points Gain desired Type of feedback Phase shift
between input and output Frequency formula . b In the Inverting configuration of the
operational amplifier if the feedback resistor RF K and the input Resistor is R K . equivalent
circuit and ideal characteristics of the operational amplifier. b Draw the hybrid equivalent
circuit of a transistor and explain how the hparameters are defined. if IC . what will be the
amplitude of signal at the output terminal. . b Draw and Design a noninverting amplifier for a
gain of . b Describe the transformer type of coupling. what is the bandwidth of the circuit
SECTION II . then i If V peak to peak sine wave is applied as the input signal. c For a CE
amplifier circuit. OR . OR . . Compare it with direct and RC coupling.K and RL K then
calculate re and AV. .
OR . a What are power amplifiers How are they classified Explain the working of class A
amplifier with a suitable diagram. Zener series regulator. output power. b For a transformer
output of V and a filter capacitor of F. Derive the expression for following terms. . determine
the input power. . a Explain the transformer coupled Push Pull Amplifier with the help of
circuit diagram and characteristic curve. Working of SCR based on the layered
semiconductor construction. . calculate the minimum input voltage when connected to a load
drawing mA. UJT relaxation oscillator. . and circuit efficiency. b Derive the relation for the
maximum efficiency of the class B power amplifier. a Discuss the construction and working
principle of Photo transistor and DIAC in detail. OR . b State the four types of feedback and
draw the block diagram representation for each. OR . . in the manner they affect the amplifier
after using negative feedback i Bandwidth ii Gain iii Input impedance iv Output impedance . b
For a Class B amplifier providing a v peak signal to a load and a power supply of VCC V.
Write short note on any Optocupler. B/II// .
b Explain I Drift II Dead zone III Precision IV Accuracy V Speed of Response. P. slide rule.
The open circuit voltage is V. SECTION I . a Write a note on virtual Instrumentation. BASIC
INSTRUMENTATION Course Time Hours Max. Instrumentation amp Control Semester I
Examination. .E. Black figures to the right indicate full marks.T. if necessary. Assume
suitable data. b Explain loading effect due to series connected instruments. Mollier charts. k
resistance. Answers to the two Sections should be written in separate books. It is operated in
V range. Neat diagrams must be drawn wherever necessary. electronic pocket calculator and
steam tables is allowed. Find the percentage error in measurement. S. a A voltmeter has
sensitivity of / V and used to measure voltage across a . Marks Instructions Answer any three
questions from each Section. Use of Logarithmic tables.O. OR .
a Explain different infrastructural requirements for a calibration laboratory. a How Kelvin
double bridge eliminates the limitation of Wheatstone bridge for resistance measurement
lower than ohm Explain. SECTION II . OR . a Explain Reproducibility and Repeatability
Calibration Uncertainty ratio. a Explain with neat circuit diagram explain series type
ohmmeter. The desired measurement ranges are mA. c Define deflection sensitivity and
deflection factor of a voltmeter. OR . b It is desired to measure inductances having the Q
values greater than . mA. b Write a note on Calibration Report. mA and mA. . Suggest and
explain suitable method. b Explain basic dc potentiometer. c Write a note on Swamping
Resistance. OR . b With neat constructional diagram explain the attraction type moving iron
instrument. . b How Schering bridge can be used for measurement of unknown capacitance
Derive the equations. b Write a note on traceability and traceability chart. a Design
multirange ammeter by individual shunt method by using a basic meter movement having
internal resistance and full scale deflection current of A . a Explain in detail giving
advantages and limitations the Wheatstone bridge. .
OR . OR . B/II// . a Write a note on inclinometer. b Explain digital vernier caliper.modulation
technique . b How unknown frequency can be measured by using Z . explain different types
of fits. a Write a note on electrical comparator. a Explain Galvanometric type recorder. . a
Give classification of recorders and explain XY recorder. b With neat figures. b With neat
constructional diagram explain CRT.
.
slide rules. SECTION I . a Convert the following i to binary ii FB to decimal iii to excess iv AF
to octal. vi Assume suitable data. if necessary. electronic pocket calculator and steam tables
is allowed. OR .B.E.O. Marks i Answer any three questions from each Section. S. ii Answer
to the two Sections should be written in separate answer books. Instrumentation and Control
Semester II Examination. iii Neat diagrams must be drawn wherever necessary. iv Figures to
the right indicate full marks. DIGITAL TECHNIQUES Course Time Hours N. a i Add and
using s complement method. Max. v Use of logarithmic tables. P. .T. b i Add BCE and ABC ii
Subtract from . Mollier charts. b Design a four bit Gray to binary code converter and
implement using gates. ii Add and using s complement method.
C m . B. . b Design a divide by counter by using ICs. F A. a Explain the following with
respect to display driver IC. b Design MOD counter by using IC. i RBI ii LT iii BI / RBO iv A A
b Implement the following by using PLD. b Implement following flipflops i D using SR flipflop.
EPROM and FLASH memory. F A. What is contact bounce phenomenon b Write a note on
PAL programming. OR . B. . a Compare EPROM. a Design a MOD counter using MOD X
MOD COUNTER ICs. a What is multiplexed display system List the advantages and
disadvantages over non multiplexed display system. ii T using D flipflop. OR . a Compare the
static RAM and dynamic RAM. . SECTION II . b Implement the following functions using
decoder and external gates. . a Design a synchronous counter for avoid lock out condition. Y
AB C AB C ABC Y AB C Y B C AC A B . . C m . OR . .
. OR . . b Compare TTL and CMOS families. . a Write a note on tristate logic.. a Define
following with respect to logic family i Power dissipation ii Fan out iii Propagation delay iv
Noise margin. Accept input and Reset input. The alarm annunciator is having Error input. OR
. B/II// .. b Explain different schemes for interfacing TTL to CMOS. Design a frequency
counter to measure a maximum frequency of Hz the frequency is to be displayed on three
digit seven segment displays. Test input. b Design alarm annunciator.. a Design a sequence
generator for the following sequence .
Instrumentation and Control Semester II Examination. Neat diagrams must be drawn
wherever necessary . P. Black figures to the right indicate full marks. a Compare between
linear and nonlinear system and open loop and close loop control systems any four points.
Marks Instructions Answer to the two sections should be written in separate books. OR . a
State and explain the rules of block diagram reduction techniques. if necessary.E. b Find out
the transfer function of the given network. S. b Reduce the given block diagram to its
canonical form and hence obtain the equivalent tranfer function. AUTOMATIC CONTROL
SYSTEMS Course Time Hours Max.O. .T. SECTION I . Assume suitable data.
OR . FigQ. b . Explain forcevoltage and force current analogy. . a Explain dynamic models of
hydraulic and pneumatic systems. find overall T. Hence write set of equilibrium equations for
it and obtain electrical analogus circuits using i FV analogy ii FI analogy.using masons gain
formula. a Define Analogous system.F. b Draw signal flow graph for the system shown
below. b Draw the equivalent mechanical system of the given system.
Determine all time dt dt domain specifications for unit step input. B Find the transfer function
of the system whose bode plot magnitude plot is shown in the figure . OR . a Derive the
expression for step response of the second order system for underdamped case from
derived expression get the expression for rise time and delay time. Justify your answer. d y
SECTION II . . where y output. x input. . Sine Signal is used as Standard test signal for
frequency response analysis. b Determine the stability of the system having characteristic
equation FS S S S S S S Examine stability. Q. a What is meant by the steady state and
transient response of the system Define and state the equations of the static error constants
and steady state error for type and type system. b A system is given by differential equation
dy y x . B Figure. A State whether following statement is true or false.
s Design a suitable lag compensator to give Velocity error constant sec .s .s . B What are the
effects and limitations of lag Compensator control applications . C Find gain and phase
margins for a unity feedback control system having. For certain system G s Phase margin .s
Determine also the open loop gains when i The gain margin is db ii The phase margin is OR
.s . A Select correct answer from the following multiple choice questions given below only
one correct answer and carry three marks with Justification of your choice. G s . . e . The I
The loop transfer function of a system is given by G s s phase crossover frequency is given
by a Pi/ b pi/ c pi/. s . d pi/ II Consider the following systems G s System s System G s s The
true statement regarding the system is a Bandwidth of system is greater than the bandwidth
of system b Bandwidth of system is lower than the bandwidth of system c Banwidth of both
the systems is the same d Bandwidth of both the systems is infinite.
ii and iv are true d All i. iii The open loop is unstable iv The close loop is stable. ii and iii are
true c Both i. P . ii and iii are true. ii Open loop system is unstable iii Close loop system is
stable. II The open loop function of a unity feedback control system is G s H s k s ss Nyquist
Stability Criteria will give i For k . ii . I The open loop transfer function of a unity feedback
system is s G s H s s Nyquist stability criteria will give i N. A Select correct answer from the
following multiple choice questions given below only one correct answer and carry three
marks with Justification of your choice. Codes a Only i is true b Both i and ii are true c Both i
and iii are true d All i. . z . Code a Only i is true b Both i. iii and iv are true . the system is on
verge of instability ii N . P and Z .
. B State whether following statement is True or False. Justify your answer Root Locus can
be used for time domain analysis. of Splane. A Select correct answer from the following
multiple choice questions given below only one correct answer and carry three marks with
Justification of your choice. The state transition matrix of the system is e t a t e sin t cos t c
cos t sin t e t b t e cos t sin t d sin t cos t . I The state equation of a linear system is given by
x Ax Bu. A State whether following statement is True or False.H. Undamped natural
frequency Wn rad/sec by using Root Locus technique. OR . Justify your answer Nyquist path
does not contain L. B State and explain Mapping theorem OR principle of argument Sketch
the Nyquist plot and comment on closed loop stability of a system whose open loop transfer
function is G s H s s s . Desgin a suitable lead compensator for a system with unity feedback
and having open loop transfer function.S. G s k ss s To meet the specification of Damping
ratio .
II The value of the matrix A in XAx for the system described by the differential equation y y y
. is a c b d B State whether following statement is True or False. A Select correct answer
from the following multiple choice questions given below only one correct answer and carry
three marks with Justification of your choice. I A state space representation for the transfer
ys/us s/ s s B is x Ax Bu y Cx where A and the value of C is . Justify your answer. The state
space approach of system analysis is a frequency domain analysis C Obtain the state model
of the Network OR . a c b d .
Choose i i and Vc as state variables. II The minimum number of state variable necessary to
describe the network shown below in a state variable form is a b c d B Write a set of state
equations for the network shown the figure. B/II// . C State and explain properties of state
transition matrix.
. assume voltage gain if required as one. Resistor between pin and pin is K and resistor
between pin and ground is also K . for voltage gain and frequency considerations. How much
input voltage is required for above operation B For a precision rectifier circuit. A Analyse
integrator or differentiator circuit using opamp. Assume half wave or full wave circuit and
draw input output waveforms of above precision rectifier circuit. voltage gain magnitude.V
peak Hz sine wave. .O. Max. Instrumentation and Control Semester II Examination. State
any eight characteristics of operational amplifier and write their units. A Design a schmitt
trigger circuit in which IC is used. B Design a voltage to current converter that will convert to
V DC into to mA using opamp. Draw circuits to derive/measure practically following opamp
parameters a offset voltage b bias current c slew rate d voltage gain closed loop. OR . Also
draw circuit diagram. Assume saturation voltage Volts. let input voltage be . LINEAR
TECHNIQUES Course Time Hours SECTION I .T.E. Marks P. S. OR .
OR . B State equation for output frequency of wein bridge oscillator. Supply voltage is V.
Show calculation for any two set of input bits and its equivalent analog output voltage. A
Draw circuit diagram of a Flash type analog to digital converter simplified diagram. B What is
the use of All Pass filter Explain with circuit diagram. C Draw circuit diagram of RC phase
shift oscillator. . . Show calculations for component valuesselection. B What are
specifications of IC Explain/state any four. State advantages and limitations of circuit you
have explained. A State Barkhausen criteria. E What is function of IC . B Comment on
features of above ADC type. state in two lines. Band pass and Band reject filter. A Design a
first order Butterworth low pass filter. OR . Draw the expected filter response. Draw circuit
diagram of any one digital to analog converter. A Draw ideal responses frequency response
for Low pass. D State feedback factors of above two oscillators. Assume four bit input.
SECTION II . Explain its operation. Draw circuit and draw waveforms. F. High pass. output
pulse width is three seconds. . A For a monoshot using IC . Assume suitable voltage gain.
Let capacitor value . B What is cutoff frequency OR . Assume suitable data. for a cut off
frequency of Hz using opamp.
B/II// . OR . Draw a neat circuit diagram of basic voltage regulator using opamp. Draw ideal
voltage regulator load current v/s load voltage response. Explain its operation for increase in
unregulated input voltage and reduction in load voltage how it is compensated. Write a short
note on any two a IC b AD c LM d IC . .
Neat diagrams must be drawn wherever necessary. SECTION I . P. electronic pocket
calculator and steam tables is allowed. S. II Examination. . Question Nos.E. NETWORK
THEORY Course Time Hours Max.T. if necessary. Mollier charts.O. Assume suitable data.
Marks Instructions Answer three questions from Section I and questions from Section II. Use
of logarithmic tables slide rule. Instrumentation and Control Sem. Out of the remaining
attempt questions from Section II. Answers to the two Sections should be written in separate
books. are compulsory. a Find out the various branch currents in the passive elements of the
network shown in figure a.
OR . Determine it. steady state condition is reached. Now at time t . . . b In the circuit shown
in figure b switch k is closed. a Find the values of I and I in the circuit shown in fig. b In the
circuit shown in figure b the switch is closed at t . switch k is opened.a. Obtain expression for
current iL through the inductor.
OR . b Find the first Cauer form of impedance function Zs s s s s . a Synthesize first Foster
form of LC network Zs s s s s . a State and prove maximum power transfer theorem. a Find
the second Cauer form of LC network for the impedance function Zs s s s s . . b An
Impedance function has the polezero shown in figure b. Find the impedance function to z /.
Give examples. . .
. Find the amount of maximum power. Give examples. Shown in Fig. shown in Fig. a State
and prove Tellegans theorem. b Find the load impedance for maximum power to the load. b.
b Using Millmans theorem find the current in the load ZL . OR . b.
OR . b Find the transfer function of the network as shown in Fig. a Find the pole zero
locations of the current transfer ratio I/I in sdomain for the circuit shown in Figure a.
SECTION II . a Define transfer function of two port Network with diagram. b. .
H and T parameters. a Find the Relationship between Z and Y parameters. OR . a State
conditions for reciprocity and symmetry for Z. Y. Determine value for Zs . I V b For the circuit
shown in Figure b. T s . V V . . b Determine the Zparameters of the network shown in figure
b.
b Find Z parameter for the network shown in Figure b.
. a Design a second order Butterworth low pass filter with cutoff frequency of KHz. Draw the
necessary circuit using OP. Amp. b Explain Butterworth Approximation to low pass filter.
B/II//
S.E. Printing Engg. amp Commun. Tech. Semester I Examination, PRINTING AND ALLIED
TECHNIQUES Course
Time Hours Max. Marks Instructions All questions are compulsory. Answers to the two
Sections should be written in separate books. Neat diagrams must be drawn wherever
necessary. Black figures to the right indicate full marks. SECTION . Explain any four factors
affecting the readability with diagrams. OR Differentiate between Legibility and Readability
with minimum eight points. . Explain the manufacturing process screen by photographic
method. OR Explain the manufacturing process of Positive and Negative film output. .
Explain the method of preparing the screen by Hand duffing method. OR Explain the method
of preparing the image carrier for the offset lithographic printing process. SECTION . Explain
the offset lithographic printing process with suitable diagram. OR Explain the letterpress
printing process with suitable diagram. . Explain the post printing operations in detail. OR
Explain the various methods of binding of the book. . Explain FlexoInkjet printing technology
in detail. OR Explain the Holographic printing technique in detail along with diagram.
B/II//
S.E. PTG. Engg. amp Communication Tech. Semester I Examination, PRINTING DIGITAL
ELECTRONICS Course
Time Hours Max. Marks
Instructions Answer Q. or Q. , Q. or Q. , Q. or Q. from Section I, Q. or Q. , Q. or Q. , Q. or Q.
from Section II. Answers to the two Sections should be written in separate books. Neat
diagrams must be drawn wherever necessary. Black figures to the right indicate full marks.
Use of Logarithmic tables, slide rule, Mollier charts, electronic pocket calculator and steam
tables is allowed. Assume suitable data, if necessary. SECTION I
. Solve the following i What is the maximum number that we can count up to using bits ii
What range of decimal values can be represented by a digit octal number iii A typical CD
ROM can store M byte of digital data. How many bits of data can a CD ROM held iv Draw the
diagram that implements the expression X A B B C . v Multiply following binary numbers .. vi
Perform BCD addition and write answer in BCD . OR
P.T.O.
. Solve the following
i The exact value of an input voltage is critical for a digital circuit. True or False. ii A graph
that shows how one or more digital signals change with time is called a . iii What are the
relative advantages of parallel and serial transmission of binary data iv Which of the following
are analog quantities and which are digital a Temperature of a room b Altitude of air craft. c
Timer setting on a microwave oven d Pressure in a bicycle tyre. v Name the five major
functional units of a computer. vi Using N bits, we can represent decimal numbers ranging
from to , a total of different numbers. vii A Mega pixel digital camera stores an bit number for
the brightness of each of the primary colors red, green and blue found in each picture
element pixel. If every bit is stored no data compression how many pictures can be stored on
a M byte memory card Given in a digital system Mega . viii What is meant by the term
edgetriggered ix Can JK FFs be used for parallel data transmission How
. a A logic circuit needs to operate in order to activate a seat belt warning indicator in a car. If
the driver is present and the driver is not buckled up and the ignition switch is ON, then turn
on the warning light. Describe the circuit using Boolean algebra, schematic diagram with
logic symbols, truth tables and timing diagram. b In a dial up communication over the
internet, two remote computers communicate with each other over telephone lines with the
information encoded in ASCII. What actual bit strings would a computer transmit to send the
message HELLO, using ASCII with even parity OR . a Minimize the following equation f P, Q,
R, S m , , , , , d , , , , , . Implement using basic logic gates AOI logic. b Minimize the following
equation f A, B, C, D M , , , d , , , . Implement the reduced equation using NOR gates only. .
a Design a full adder. b Design a one bit comparator. c Design a two bit ALU. OR . a Perform
following BCD addition . b Perform Excess addition . c Write short notes on Multiplexers and
demultiplexers. Explain their significance in the field of printing applications.
SECTION II . a Draw and explain MSJK flip flop in detail. b Design MOD asynchronous
counter. OR . a Draw and explain Johnsons counter. b What is shift registers State its
application in Printing. Explain various modes of shift register in detail. . a What is DAC State
and explain different types of DACs. State its application in Printing. b Write short notes on
Memories. ADCs. OR . Write short notes on any PLDs. BCD to seven segment decoder.
Display drivers. . a State and explain various input and output devices with respect to digital
computer. b Distinguish between digital camera and digital scanner. OR . Write short notes
on Application of printers in printing. Floppy Disc and CDs. Modems.
B/II//
S.E. Printing Engg. amp Commun. Tech. Semester II Examination, MICROPROCESSOR
TECHNIQUES AND PERIPHERAL INTERFACE Course
Time Hours Max. Marks
Note Answer Section I is Q. or Q. , Q. or Q., Q. or Q.. Section II Q.or Q., Q. or Q., Q. or Q. .
Answers to the two Sections should be written in separate books. Neat diagrams must be
drawn wherever necessary. Black figures to the right indicate full marks. Use of logarithmic
tables, slide rule, Mollier charts, electronic pocket calculator and steam tables is allowed.
Assume suitable data, if necessary. SECTION I . a Draw and explain the block diagram of in
detail. b Explain the following pins of in detail. TRAP RST . SO, S ALE INTR HOLD CLK
RESET OUT OR
. a Write short notes on IC
IC
b Differentiate between the following I/O Mapped I/O and Memory Mapped I/O. Software and
Hardware interrupts.
P.T.O.
. a Explain what operation will take place when the following instructions are executed. MOV
A,M STA LXI H,H MVI A,H. b Write an assembly language program to add bit number with
bit number and store the result in memory. Draw flow chart. OR . a Draw and explain the
timing diagram of MOV A, B. use graph paper. b Write a program to SUBTRACT bit number
from bit number Draw flowchart. . a Draw and explain the flag register of . Explain each flag
in detail with example. b State and explain addressing modes of . OR . a What is the
difference between JMP and CALL instruction Explain in detail with example. b Explain the
CALL and RETURN instruction in detail. SECTION II . a Explain I/O modes of in detail. b
Draw and explain block diagram of in detail. OR . a Draw Block diagram of . Explain the
interfacing with Keyboard. b Draw and explain block diagram of in detail.
State its application in printing technology. Asynchronous and synchronous data transfer.
Display controller using Microprocessor. a Draw and explain block diagram of in detail. a
Draw and explain DMA controller chip . OR . a Explain PLC in detail. CD controller. . Explain
the advantages with printing application. b Write short notes on Application of
Microprocessor in printing technology. a Explain stepper motor controller using . b Write
short notes on Significance of SOD and SID pins. Explain its use in any Printing application.
B/II// . b Write short notes on Printer Interface with . OR . b Write short notes on USART RS .
Chemical Semester I Course Examination. b Define carbanion. SECTION I . Formic acid
stronger than acetic acid. Use of logarithmic tables. P. c Write a note on hyper conjugation.
Electrophile Heterolysis Carbene.E. if necessary. slide rule. electronic pocket calculator and
steam tables is allowed. Time Hours Max. c Write a short note on tautomerism. Aniline is
weaker base.O. Marks Instructions Answer any three questions from each Section. . Explain
the formation of carbanion by any two methods and explain structure and stability of
carbanion. b Define and explain the following terms. S. Mollier charts.T. Assume suitable
data. Black figures to the right indicate full marks. Answers to the two Sections should be
written in separate books. a Explain the following Amides are extremely weak basis. a What
is resonance effect What are necessary conditions for resonance Explain R and R effect with
suitable examples. OR . CHEMISTRY I Common to BioTech. Neat diagrams must be drawn
wherever necessary.
where as it gives ethyl alcohol by action of aq. a What is confirmational isomerism Discuss
the confirmations of cyclohexane with the help of energy profile diagram. a Explain with
mechanism why ethyl iodide gives ethylene by addition of alc.KOH. Nature of substrate.
.KOH. OR . Acetal dehyde dil. HSO Pyridine CHL H Quinoline HNO SO c Explain
geometrical isomerism with suitable examples. c Explain Aldol condensation with suitable
examples. Cl warm. OR . b Discuss the effects of following factors on SN and SN
reactions.NaOH Sodium praponoate Electrolysis b Attempt any two Nitration of benzene
Kolbe synthesis Fridal Crafts alkylation. Nature of Nucleophile Nature of leaving gr. c Write a
short note on Wurtz reaction. . b Predict the products Thiophene conc. a Predict the products
any three KOH CH CH CH CH alc.
Give experimental method of determination of viscosity of liquids. a Assign R and S
configuration to following compounds. . Explain capillary rise method for determination of
surface tension. b Explain Pyrrole is more reactive than furan. Surface tension of toluene is .
How this equation is utilised to determine crystal structure c Find density of toluene at C if
parachor for hydrogen. Indole Quinoline SECTION II . Thiophene is more stable than furan
and pyrrole. c Give one method of preparation of the following compounds.. In quinoline
electrophilic substitution takes place at and th position. OR . . b Derive Braggs equation for
the diffraction of xrays by crystal lattice. and . b Define surface tension and interfacial
tension. dynes cm. . COOH i H C OH Cl COCH ii HO C CH OH H CHO iii H C COOH Br
Discuss confirmations of ethane. calculate the distance between the different planes. a
Explain the term viscosity in case of liquids. a What is meant by vapour pressure of liquids
Explain any one method of determination of vapour pressure of liquids. carbon and double
bond are . A gives a first order reflection at . respectively. c The diffraction of crystal and
barium with xrays .
gm of an organic compound in . OR . gm/lit. gm of acetone had its B. a Derive the kinetic
gas equation. at C. b What is the osmotic pressure of a solution. Kb for gm solvent is . Give
thermodynamic derivation. Find the RMS velocity of oxygen molecule. raised by . OR . c
Oxygen at atm pressure and C has a density of . . lit mol and . B/II// . Boyles law Charles law
Daltons law.C. How it is determined c A solution of . Calculate its critical volume R . atm.
Find the molecular weight of the compound. a Derive the following terms from kinetic gas
equation. . c A solution of an organic compound containing gm per litre had an osmotic
pressure of . b What is meant by RMS velocity. a Show that the elevation in a boiling point is
a colligative property. Calculate the molecular weight of the compound. lit mol respectively. lit
atm deg . a Show that depression in freezing point is a colligative property. How will you find
out molecular weight using elevation in B. b Derive the expressions for the critical constants
in terms of Vander Waals constant a and b. average velocity and most probable velocity of
molecules How they are related to each other c For ammonia gas Vander Waals constants a
and b are .P b Explain abnormal colligative properties of solution.P.
Black figures to the right indicate full marks. Mollier charts.O. poises. Use of logarithmic
tables slide rule. if necessary. Assume dynamic viscosity as . S. Give any two examples of
nonNewtonian fluids. P. Neat diagrams must be drawn wherever necessary. Calculate its
Specific weight and density. Chemical Semester I Examination. a What are the
timedependent fluids Classify them with examples. c State Newtons law. . c Define. b The
velocity distribution for flow over a flat plate is given by u y y Where u is the point velocity in
metre per second at a distance y metre above the plate. b Draw shear stressshear rate curve
and discuss rheological classification of fluids. Marks Instructions Answer questions from
Section I and questions from Section II. N. Answers to the two Sections should be written in
separate books. Assume suitable data. .T. FLUID FLOW OPERATIONS Course Time Hours
Max. electronic pocket calculator and steam tables is allowed.E. a One litre of crude oil
weighs . SECTION I . kinematic viscosity and vapour pressure. Determine the velocity
gradient and shear stress at y and y cm.
. b Explain with neat sketches the working of an inclined tube manometer. calculate the
pressure difference between the points when a water is flowing through the pipe b air at
atmospheric pressure and C is flowing in the pipe. mass flow rate. a Derive an expression for
the pressure difference across two limbs of a differential manometer containing two gauge
fluids. Density of mercury . If the manometer reading is mm of Hg. Estimate the flow rate
when the manometer reading is cm. a A Utube manometer filled with mercury is connected
between two points in a pipeline. and the velocity in the other outflow line b A horizontal
venturi meter having a throat diameter of cm is set in a cm I. pipeline. gm/cm. . mutually
immissible. is flowing through a straight. Assume Cv . What factors influence the sensitivity b
Define the terms i Steady and unsteady flows ii Uniform and nonuniform flows iii Rotational
and irrotational flows iv Laminar and turbulent flows. A pitot tube is installed on the pipeline
with its impact tube located at the center of the pipe cross section. poise. The mass of water
in the tank is not changing with time. . Determine the volumetric flow rate of the fluid. . The
velocity in the inflow line is m/sec.. gm/cc Density of water gm/cc Molecular weight of air . At
a certain flow rate. a A Newtonian fluid having a viscosity of . and a density of .. the pitot tube
indicates a reading of cm of mercury. c Compare the merits and demerits of Orifice meter
and Venturi meter in the measurement of flow. What are the volumetric flow rate. Water flows
through the system and the pressure differential across the venturi meter is measured by
means of a simple Utube manometer filled with mercury.D. a A water tank has an inflow line
cm in diameter and two cm diameter outflow lines. . circular pipe having an inside diameter of
cm.
cm is located in a cm pipe. strokes. The leads are filled with water. c Show that the
Reynolds number is dimensionless. . Water is flowing through the line and the mercury
manometer measures the differential pressure over the instrument. a For laminar flow of a
Newtonian fluid in circular pipe. if the coefficient of friction f is given by . . obtain the following
relations from first principles i Velocity distribution in the radial direction ii Average velocity
and maximum velocity iii Pressure drop and average velocity. b Water is flowing through a
pipe of diameter mm with a velocity of m/sec. f . SECTION II . Re where kinematic viscosity .
State its assumptions. a Describe in detail the method of dimensional analysis using
Buckinghams theorem. what is the flow rate of water per minute c Write Bernoullis equation.
Find the head loss due to friction for a length of . When the manometer reading is cm. b An
orifice meter having an inside diameter of . . m. b Define i Geometric similarity ii Dynamic
similarity iii Kinematic similarity.
m. a Define Displacement thickness. a What do you understand by the terms Major energy
losses and Minor energy losses b With a neat sketch explain the working of a centrifugal
pump. through a pipe of cm I. Calculate i The thickness of the boundary layer at the end of
the plate and ii Drag force on one side of the plate. . m and width . m/sec. b Draw the
operating characteristic curves for a centrifugal pump. . at an average velocity of m/s.
strokes. Take density of air as . m diameter pipe. b A plate of mm length and mm wide is
immersed in a fluid of specific gravity . kg/m and kinematic viscosity . a Draw a neat sketch
and explain the development of boundary layer over a flat plate. and kinematic viscosity
m/sec. . Derive an expression for the Displacement thickness. m diameter pipe. b A thin plate
is moving in still atmospheric air at a velocity of m/sec. Determine i boundary layer thickness
ii shear stress at the end of the plate and iii drag force on one side of the plate. c Water flows
through a . There is a sudden enlargement to . Re. c What is cavitation and priming in
centrifugal pump B/II// . a Water is pumped from a reservoir to a height of m from the
reservoir level.. The pipe is m long and the overall efficiency of pump is . with an average
velocity of .D. what is the energy required for pumping Take friction factor f . The fluid is
moving with a velocity of m/sec. What is the power loss due to the sudden enlargement . The
length of the plate is .
E. Mollier charts. Marks Instructions Answer questions from Section I and questions from
Section II. slide rule. b Define the following terms i Poissions ratio ii Necking. Neat diagrams
must be drawn wherever necessary. Answers to the two Sections should be written in
separate books. CHEMICAL ENGINEERING MATERIALS Course Time Hours Max. OR .
SECTION I . . electronic pocket calculator and steam tables is allowed.O. Use of logarithmic
tables. a Explain the following terms i Stressstrain curve ii Classification of Engineering
Materials iii Shear stress iv Shear strain v Factor of safety. S. P. Chemical Semester I
Examination.T. Attempt the following any four i Breaking stress ii Proportional stress iii Proof
stress iv Ductility v Stiffness vi Hardness vii Malleability.
b Explain the methods for increasing fatigue life. a What are the different Hardness Tests
Explain any one in detail. b Discuss various methods of welding. Explain the various phases
observed and reactions involved in FeFeC equilibrium diagram. b Write short note on the
following any two i Corrosion resistance of plastic ii Stress relaxation iii Applications of
polymers. Draw and explain FeFeC equilibrium diagram. . OR . SECTION II . . OR . b Write
short note on Dry Corrosion. OR . a Describe the elastic and plastic deformation of polymers.
a Explain various types of Impact Test. iv Wear/Abrasion Test. . a Explain the following terms
i Insulations ii Refractories iii Types of steel. b Write a short note on Rockwell Hardness Test.
a What is an oxide film Explain its formation and growth mechanism. a Give and explain any
four types of corrosion. OR . b Give the methods of prevention of corrosion.
a Explain in detail processing of ceramics. b Explain in brief applications of ceramics in
chemical engineering. OR . . a Explain polymerization and describe addition and
condensation polymerization. b Write short notes on i Vulcanisation of rubber ii Nylon. b
Write short notes on any three i Refractories ii Clays iii Cement iv Properties of silicon nitrate
v Borosilicate vi Glass and its types. . B/II// . a What are the different types of glass Explain
the characteristics of one in detail.
The initial gas volume is Vt . Your answers will be valued as a whole. Use of logarithmic
tables. where superscript denotes a total rather than a molar volume. slide rule. KPa. P.
Assume suitable data. . m . S. Calculate the work done by the gas in moving the external
force. electronic pocket calculator and steam tables is allowed. CHEMICAL ENGINEERING
THEMODYNAMICS I Course Time Hours Max. a Write a note on Intensive and Extensive
properties. For this change.. Mollier charts. b A horizontal piston/cylinder arrangement is
placed in a constant temperature bath. The external force on the piston is reduced gradually.
The piston slides in the cylinder with negligible friction. heat in the amount of . Experiment
shows that under these conditions the volume of the gas is related to its pressure in such a
way that the product PVt is constant. KJ is added to the water.E. mkg. SECTION I . of C and
the constant pressure of . allowing the gas to expand until its volume doubles.T. Chemical
Semester II Examination. c Calculate U and H for kg of water when it is vapourized at the
constant temp. and . a Explain the phase rule and discuss the degree of freedom for any
system. Neat diagrams must be drawn wherever necessary. if necessary. b Explain term
internal energy. Marks Instructions Answers to the two Sections should be written in separate
books. Black figures to the right indicate full marks. The specific volumes of liquid and vapour
water at these conditions are . and an external force holds it in place against an initial gas
pressure of bar. How much work would be done if the external force were suddenly reduced
to half its initial value instead of being gradually reduced OR .O.
dT . OR . Calculate the work required. At these conditions. a Derive H R T T H Cp . C v R
and C p R . ii Isothermal compression. b Air is compressed from an initial condition of bar
and C to a final state of bar and C by two different mechanically reversible processes i
Heating at constant volume followed by cooling at constant pressure. heat transferred and
the changes in internal energy and enthalpy of the air for each process. heat of formation at k
are HClg J HOg J. OR . . a Derive the eqns PVr constant. b Reported values for the virial
coefficients of isopropanol vapour at C are B cm mol Calculate V and Z for isopropanol
vapour at C and bar by i The idealgas equation ii Virial equation. a Discuss the applications
of virial equations. . air may be considered an ideal gas with the constant heat capacities. R
b Calculate the standard heat at C for the following reaction HC lg O g H O g C l g Std.
. .dp . heat of formation. T P b Derive mathematical statement of the second law of
Thermodynamics. a Discuss sensible heat effects. c Calculate the standard heat of the
methanol synthesis reaction at C CO g H g CH OH g Data H H J Component CHOH CO H A
. . . OR . . If the thermal efficiency of the plant is of the maximum possible value. rated at . . a
Derive Tc for an ideal gas. V . TH b A central power plant. a Derive dH C pdT V T . B . . . a
Derive R R T ig dT P ln . D . T p b Discuss Residual properties. b Write a note on std.
generates steam at K and discards heat to a river at K. how much heat is discarded to the
river at rated power OR DS T C p . kW. SECTION II . C . .
For a yearround ground temp. Consider a heat pump installation to maintain the house
temp. at C in winter and C in summer. T V b Derive ds C p dT Vdp T . What are the minimum
power requirements for winter heating and summer cooling OR . a Derive Cp Cv TV . the
heat transfer characteristics of the coils necessitate refrigerant temperatures of C in winter
and C in summer. b A house has a winter heating requirement of kJ S and a summer cooling
requirement of kJ S. a Discuss the Carnot Refrigerator. of C. This requires circulation of the
refrigerant through interior exchanger coils at C in winter and C in summer. Underground
coils provide the heat source in winter and the heat sink in summer. a Explain Liquefaction
processes. P . b Explain Adsorption Refrigeration system B/II// .
Chemical Semester II Examination. c Why it is necessary to clean the belt OR P. SECTION I
. if necessary.O. a What will be the power required to crush tons/hr of limestone of of the
feed passes through inch screen and of the product passes through / inch screen b Define
size reduction and explain different ways to reduce the size of the Particles. slide rule. a
Explain open circuit and close circuit grinding with its flow sheet. electronic pocket claculator
and steam tables is allowed. MECHANICAL OPERATIONS Course Time Hours Max. Neat
diagrams must be drawn wherever necessary. Marks Instructions Answer three questions
from Section I and three questions from Section II. . Answers to the two Sections should be
written in separate books. b Short note on Work Index. . a State advantages and limitation of
Belt conveyor. Use of logarithmic tables. Mollier charts. Assume suitable data.T. S. c
Distinguish between Ideal Screen and Actual Screen.E. OR . c Define size reduction and
explain different ways to reduce the size of the particles. b Describe with a sketch the
working of closed loop pneumatic conveying system with its flow sheet.
Write short notes on a Pneumatic Conveyor b Screw Conveyor c Belt Conveyor d Chain and
flight conveyor. . OR . OR . . . SECTION II . a Describe the types of mixers for pastes and
plastic mass. OR . Also sketch typical commercial equipment. a State different operations
which need mixing and explain agitation equipment in detail. b Describe with neat sketch the
sedimentation operation. b Explain in brief power consumption of impellers. a Describe with
neat sketches the aggregate and particulate fluidization. a State factors to be considered
while selecting filtration equipment and enlist characteristics of filter media. a What are the
various factors which affect the rate of filtration Derive an expression to calculate the rate of
filtration. b Compare Rotary drum filter and pressure filter press. b Describe with a neat
sketch the working of plate and frame filter press. b With the help of neat sketch distinguish
between axial flow and radial flow Impellers. c Explain the operating cycle of centrifuge filter.
Give typical examples of both.
. b Explain Jigging separation technique with neat diagram. c Describe with neat sketch.
State the applications of fluidization technique. a Explain capacity and effectiveness of
screen. OR . a Define Fluidization. working and applications of bag filters. B/II// . . b
Distinguish between free settling and Hindered settling. b Write short notes on any i Mineral
Jig ii Gravity settling tank iii Magnetic separator iv Fabric Filters. c Explain spouted Bed. a
Explain froth floatation with neat diagram.
electronic pocket calculator and steam tables is allowed. Use of Logarithmic tables.O.
Polymer/Petroleum/Petrochemical Semester I Examination. Course ENGINEERING
CHEMISTRY I Time Hours Max. S. Marks N. Neat diagrams must be drawn wherever
necessary. b Explain the phenomenon of tautomerism in acetyl acetone and ethyl
acetoacetate. ii Alkyl halides are involved in generation of carbanions. b Explain
phenomenon of inductive effect with suitable example. Black figures to the right indicate full
marks. Assume suitable data. SECTION I . c Aniline is much weaker base than aliphatic
acid. if necessary. OR a Define and give two examples of i electrophile ii Nucleophile iii free
radical. P. slide rule. . Answers to the two Sections should be written in separate books.B. a
Explain i Cations can be aromatic.T.E. c Formic acid is stronger than acetic acid. Mollier
charts.
c Explain synthesis of . b Write mechanism of Aldol condensation and Claison ester
condensation.butanol and .methyl . a Explain mechanism. reactivity and energy profile
diagram of SN. HSO c Explain chlorination of methane to methyl chloride. Butyl alcohol heat
. heat iv Tert. . stereochemistry. a Draw major conformation on nbutane. b Predict the
products any i Sodium propionate electrolysis H ii Acetone oxime Na . . Which is more stable
Why c Explain Skraup synthesis of quinoline OR .propyl bromide ether . a Explain the
following terms in electrophilic substitution of monosubstituted benzene with suitable
example. dimethyl propanoic acid by using Grignard reagent. Why anti conformation is stable
of all b Draw two chair conformations of methyl cyclohexane. . OR . iii n. i Ortho para
directing groups. ii Activating and deactivating groups.
. at C and . . Explain melting of crystalline and amorphous solids with help of graphs.. J/mol
K. b Predict products any i Quinoline HNO on ii Pyridine catalytich ydrogenati iii Furan Methyl
lithium c Give one method of preparation of furan and pyrrole. a Derive Poisulies equation. b
Define atomic and molar heat of solids.t. and Atomic weight of Neon . . OR . c Find the inter
planar distance in a crystal in which series of planes produce a first order reflection a copper
target Xray tube with wavelength of . a Derive Braggs equation. Calculate the coefficient of
viscosity for ethanol at C. dichloropentane. Explain powder diffraction method for
measurement of diffraction angle. a Explain diastereo isomerism w. b What do you
understand by surface tension of a liquid How it is measured experimentally c The coefficient
of viscosity for ethanol is . at C. c Calculate the average velocity of Neon at C. b Give
postulates of kinetic theory of gases.r. OR . a Derive Van Der Waals equation. Given R .A at
an angle of . SECTION II .
c Calculate the Osmotic Pressure of an aqueous solution of Glucose CH O containing grams
of glucose in ml. b Explain Andrews experiment for carbon dioxide.P. of glucose and Kb for
gram water . b Explain Arrhenius theory for electrolytic dissociation. B/II// .W. c Calculate the
B. . c Calculate the critical constants for ethylene using Van Der Walls constants. a Write a
short note on inter molecular forces of attraction. atmosphere litre/mole and b . b i Show that
the relative lowering of vapour pressure of a solution of nonvolatile solute is equal to the
mole fraction of the solute. R . Given a . of weight by weight percent glucose solution in
water.. a Draw and explain experimental set up for measuring depression in freezing point of
a solution of non volatile solute. Given M. OR . liter/mole. . a What is Osmosis Give
experimental method for measurement of osmotic pressure. ii What is an ideal solution What
conditions it must satisfy State Raults law and obtain an expression for total vapour pressure
exerted by a binary liquid mixture. Temperature K. liter atmosphere /mole. of solution.
O. Marks N. S.B i Answer three questions from Section I and three questions from Section II.
.E. Petro/Petrochem. ii Creep fracture. P. v Figures to the right indicate full marks. ii Answers
to the two Sections should be written in separate answer books. a Draw and explain the
micro structures of following i Fatigue fracture. i Dead mild steel. ii Cartridge brass. OR . a
Explain major classes of materials. i What are volume defects Explain any one volume defect
in details. b Explain all the steps involved in specimen preparation for microobservation. a
Draw the microstructures of following and explain their properties and applications.
SECTION I . . b Write a note on shear strength of deformable single crystal./Poly Semester I
Examination.T. iii Neat diagrams must be drawn wherever necessary. b Explain code of
ethics designed by IEEE. OR . iv Use of scientific electronic calculator is allowed. ii Explain
the role of materials in technologically advanced societies. Course Old Course
ENGINEERING MATERIALS SCIENCE AND TECHNOLOGY Time Hours Max.
Calculate the dielectric constant of this polymer. g/mol Faradays constant C /mol Density of
iron . OR . a What are non destructive tests Explain ultrasonic test. GPa Ef GPa and Vf .
Take permittivity of a vacuum as . i Polythylene has a polarization of . g/m. SECTION II . OR
. F/m ii What is refraction of a light Explain the formula of refractive index. iii Explain in brief
diamagnetism and paramagnetism. Given following data Em . Calculate the weight loss per
second and the thickness loss per year for this steel. b Explain the characteristics of matrix
material and fiber materials of a composite. . OR . Write notes on any two i Role of interfaces
in composites ii Ceramicmatrix composites iii Fracture behavior of composites. b During
corrosion tests a current density of . a Explain different mechanisms of electrochemical
corrosion. b What factors influence the mobility of electrical charge carriers c Explain the
mechanism of polarization in a dielectric material. A/m was measured for a steel sample
immersed in sea water. c/m in a field of V/m. . Given Atomic weight of iron . a Estimate the
elastic modulus of a uniaxial epoxyglass fiber composite in the longitudinal and transverse
directions.
ii Improved designs of components to minimize corrosion problems. b What are the steps in
sintering process What are its advantages c Explain with diagrams the stages of forming a
cup from a circular blank in a deep drawing process. OR . v Blow molding process for hollow
containers. a Explain with diagram Czochralski CZ method for growth and processing of
single crystal. Write short notes any three i Metal casting ii Open die forging operation iii
Photolithography Process iv Manufacturing of glass tubing or rods. Write short notes with
diagrams any two i Sensitization of stainless steel. . light. B/II// . . iii Alteration of bond
structures of elastomers by exposure to U.V.
or questions from Section I and or . Use electronic pocket calculator is allowed. b A hollow
cast iron column has an internal diameter of mm. SECTION I . or questions from Section II.
Assume suitable data. . a What are the four elastic constants for an elastic material Define
each one of them. Black figures to the right indicate full marks Your answers will be valued
as a whole. or . . or . Answers to the two Sections should be written in separate books. Marks
Instructions Answer Q. Neat diagrams must be drawn wherever necessary. What should be
its minimum external diameter so that it may carry a load of KN without the stress exceeding
N/mm OR P. S.E. STRENGTH OF MATERIALS Course Time Hours Max.T. Write the basic
relations between them. or . if necessary. Polymer/Petroleum/Petrochemical Semester I
Examination.O.
E GPa. m has a cross sectional area of mm. An axial load of KN is gradually applied. b At a
point in a strained material. Q. b Derive the expression for extension of a bar of uniform cross
section under its own weight. . a Write the torsion formula for a circular prismatic shaft
subjected to a torque. . m long is made up of two parts. a A tension bar. . Find the total strain
energy produced in the bar and compare this value with that obtained in a uniform bar of the
same length and having the same volume under the same load. b. What are the assumptions
made in deriving this formula . m of its length has a cross sectional area of mm while the
remaining . OR . the state of stress is as shown in fig. . Explain each term. Find i Principal
stresses ii Maximum shear stress iii Shear stress which acting alone will produce the same
principal tensile stress.
. . a A thin spherical shell of mm diameter is subjected to an internal pressure of MPa. a
Derive the expressions for hoop stress and longitudinal stresses developed in a thin shell
subjected to an internal pressure p. b The principal stresses in the wall of a container arc
MPaT and MPaT. shear and resultant stresses in magnitude and direction on a plane
inclined at with the MPa stress. . . if the permissible tensile stress in cylindrical wall is MPa.
OR . b A pipe of mm internal diameter and mm thickness contains a fluid at a pressure of
N/mm. Find the percentage change in volume of shell. Determine the normal. . b Calculate
the thickness of metal required for a cast iron cylindrical shell of internal diameter mm to
withstand an internal pressure of MPa. . Write the assumptions made in deriving the same.
Find the maximum and minimum hoop stresses across the section. The change in diameter
was observed to be . a Compare the weights of equal lengths of hollow and solid steel shafts
to transmit a given torque for the same maximum shear stress. times the outside diameter for
the hollow shaft. mm. Take inside diameter as .
Q. a Draw shear force diagram and BMD for the beam shown in fig. b i and its cross section
is shown in fig. SECTION II . Find the maximum compressive stress developed in the beam
due to bending. What are the values of maximum BM b A timber beam of depth mm and
symmetrical section is simply supported over a span of m. N/mm. What udl per metre
including self weight can it carry if the maximum permissible stress is . . mm. Q. a showing all
important values. Q. b A beam is supported and loaded as in fig. MI of the section of the
beam is . . Locate the points of contraflexure if any. b ii. OR . a Explain the following terms
with suitable examples i Section modulus ii Pure bending.
SF on the section KN Ref. Tabulate the effective length of columns with standard end
conditions. OR . a. b What is the effective length of columns. fig. . a The cross section of a
beam is a T section mm mm mm with the mm side horizontal. Q. a Derive the expression for
shear stress distribution over a rectangular section subjected to a shear force F. Hence
sketch the distribution of shear stress over the cross section. Sketch the shear stress
distribution and hence find the maximum shear stress. .
a A load of KN is carried by a bracket riveted to a flange plate of a stanchion as in fig Q. a.
OR . find the thickness of metal required. shear stress developed. b A hollow cast iron
column with fixed ends. Calculate the max. . . Hence derive the expression for slope and
deflection at the free end. Each rivet is of mm diameter. supports an axial load of KN. If the
column is m long and has an external diameter of mm. b From basic principles derive an
expression for slope and deflection at any section of a cantilever beam carrying a udl
throughout its span. Use Rankines formula taking a constant of which includes end effects
and assume a working stress of N/mm . .
What is the core or kernel of a section . a With the help of proper sketches. derive the
expression for the extreme fibre stresses for a short member subjected to a compressive
eccentric loading eccentricity is about one axis only. B/II// . . b A beam of uniform cross
section and span m is simply supported at its ends and carries two point loads KN and KN at
m and m from left support. Find the deflection under each load in terms of EI.
Explain four factors affecting enzyme activity.T. if necessary. . Assume suitable data.O.
electronic pocket calculator and steam tables is allowed. SECTION I . OR P. Mollier charts.
Black figures to the right indicate full marks. Marks Instructions Answers to the two Sections
should be written in separate books. ENGINEERING CHEMISTRY II Course Time Hours
Max. slide rule. c Explain cyclic structure of DFructose.E. a Give two methods to convert
ketones into alkanes. c Write short note on Gabriel synthesis of amines. b Give two reactions
characteristic of amino group and carbonyl group of amino acid. c Draw the structure of
following carbohydratesi Amylose ii Maltose . b Explain tertiary structure of protein. b Give
two oxidative methods for synthesis of carboxylic acid. a Explain classification of
carbohydrates. Neat diagrams must be drawn wherever necessary. OR . Use of logarithmic
tables. Polymer /Petroleum/Petrochemical Semester II Examination. a Define enzymes. S.
. a Calculate max by using WoodwardFieser rule i ii iii b Explain the following I. a Explain the
following methods for the synthesis of ketones. . i Oxidation of secondary alcohols ii
FriedelCraft acylation iii From organolithium compounds. frequencies of carbonyl group. i ii c
How will you get cis and trans alkenes starting from alkynes OR .R. b Explain synthesis of
esters from i Acids ii Acid anhydride iii Diazomethane c Explain preparation of esters by
transesterification reaction.
Cu . Co. Ni . a How will you distinguish between alcohols by oxidation b The molecular
formula of an organic compound is CHN. c Explain bonding in CO on the basis of VBT
theory. c Calculate effective atomic number for CuNH and FeCN OR . OR . Suggest the
probable structure. a Calculate the magnetic moment for Fe H O and FeCN using CFT. . b Ni
CO is tetrahedral but Ni CN is square planer and diamagnetic explain using VBT. Fe . b With
the help of molecular orbital diagram explain magnetic properties of Nitrogen molecule
calculate its bond order. b With the help of molecular orbital diagram explain magnetic
properties of O molecule and calculate its bond order. a Explain in brief molecular orbital
theory. . Cr . V. c Explain bonding in NH and ethylene on the basis of VBT theory. Mn . c
How will you follow the following sequence of reaction by IR spectroscopy SECTION II
Atomic numbers Ti . . It absorbs at max cm in IR spectroscopy. Give electronic configuration
of Copper and Chromium atom. a What are quantum numbers Give their significance.
OR . a Explain complexometric titration with suitable example. a Explain variable oxidation
states shown by first transition series. . b What is an indicator Give various theories of
indicators. . mixture. of the same base. b What is meant by iodometry Explain.M acetic acid
solution K a . how the percentage of copper in brass can be measured by iodometry. Discuss
the various steps involved. for acetic acid. of . c Calculate the pH of buffer formed by mixing
ml. of .M NaOH and ml.N NaOH and second end point was obtained for additional ml. The
first end point was obtained for ml. c Define and explain ligand and complex ion. B/II// . of . c
Find the amount of HCl and HPO present in the ml. a Draw and explain the titration curve for
a redox titration. b Explain colour and catalytic properties shown by transition metal
complexes.
E.T. SECTION I . electronic pocket calculator and steam table is allowed. slide rule. iv Use of
logarithmic table. p i DPi a P D v Where Nw No. A Derive Janssen equation regarding stress
in Hopper and Silos. S. Mollier charts. A A sample of uniterm particle shape and size with
diameter of particle Dp.O. Prove that number of particle in mixture is given on Nw n xi a. . OR
. B Define mesh What is screen How screens are classified Discuss different standards used
for screens. Marks Instructions i Answer three questions from each Section. iii Neat diagram
must be drawn wherever necessary. Petroleum/Petrochemical/Polymer Semester II
Examination. C List the different type of conveyors and explain chain conveyor with neat
sketch. of particle in mixture a Volume shape factor DP Dia of particle xi Mass fraction P. v
Assume suitable data if necessary. ii Answer to the two Section should be written in separate
answer books. SOLIDS HANDLING OPERATIONS Course Time Hours Max.
OR . What is the work index of the material What will be power required for same feed at
ton/hr to be crushed to a product such that is passes through a . J/kg. B What are centrifugal
settler Differentiate between gravity settler. List any two centrifugal separator. with neat
sketch. if of feed passes through mm screen and of product passes through a . C Discuss
electrostatic separator in brief. A What is grantysetler Name any two type of gravity settler.. C
List any two method of gas cleaning. Kw. B Define mixing. List the mechanism of solid
mixing. . mm screen OR . kg/sec kw of power is required using Rittinger law. What will be the
consumption of energy to crush the same material of an average size . What would be
diameter of roll B A crusher crushes rock having a volume surface mean dia of . B Explain
principle and working of magnetic separator. m and discharges product of volume surface
mean diameter of . To crush . Calculate Rittinger con stante. C Calculate the sphericity of
cylinder of diameter cm and height cm.m. . A State principle and explain electrofloation
method with neat sketch. cm to . Explain hydraulic fig. Discuss theory of solid mixing in brief.
. C Explain with neat sketch principle and working of Black Jaw crusher. cm assuming a
Rittingers law b Kicks law B The power required to crush to n/hr of material is . A A pair of
rolls is to take a feed equivalent to spheres of cm in diameter and crush them to spheres
having cm diameter. If coefficient of friction is . mm screen. A A material is crushed in a jaw
crusher and the average size of particle reduced from cm to cm with consumption of energy .
B A bed consist of particle of density kg/m. B What is pervaperation method of separation
With neat sketch explain pervaperation process. A Derive the expression for drag force
acting on spherical particle for different regime or region of Renoylds number. pa. C Discuss
in brief cross filtration. OR . C Write short note on delayed cake filtration. C State principle of
thickener. the bed voidage is and the pressure drop across the bed is Kpa. Estimate density
of particle. OR . A Discuss the effect of fluidisation velocity or fluid velocity on pressure
gradient in fluidisation process. If at the point of incipient fluidisation. . B Discuss concept of
terminal falling velocity. B State various application of fluidisation and explain fluidised bed
combustion process. Calculate the pressure drop required to fluidisation. A Explain with neat
sketch ultrafiltration process. C A one meter high bed made up of mm particle is to be
fluidised by an oil density kg/m n viscosity . B What is flocculation Discuss the flocculation
method.. A Derive relationship between thickness of cake and volume of filtrate. A Discuss
the sedimentation process with neat sketch. SECTION II . OR . A Derive expression for
minimum fluidisation velocity.s. B Discuss principle and working of Rotary drum filter. .m and
porosity is . If the height of bed is . B/II// .
Petroleum/Petrochemical/Polymer Sem. a Explain in detail three modes of heat transfer with
one example each. OR . a A wall of a furnace is made up of inside layer of silica brick mm
thick covered with a layer of magnesite brick mm the temperature at the inside surface of
silica brick wall and outside surface of magnesite brick wall are at C and C respectively.
w/mC Thermal conductivity k Magnesite Brick .O. a A plane wall is mm thick and its wall area
is . ii Temperature gradient in flow direction. determine i Heat flow across the plane wall. b
Explain with the importance the following terms Temperature Gradient. C/w per unit wall
area. Assume suitable data. b Explain with one example the term Thermal Resistance.
SECTION I . if necessary. Thermal conductivity k Silica Brick . w/mC. Thermal Diffusivity. S.
HEAT TRANSFER Course Time Hours Max. Numbers to the right indicate full marks. If its
thermal conductivity is .T. . Use of logarithmic table.E. OR P. II Examination. . Thermal
Conductivity. Marks Instructions Answers to the two Sections should be written in separate
books. w/m C and the surface temperatures are steady at C and C. electronic pocket
calculators is allowed. Draw neat diagrams wherever necessary. Estimate the rate of the
heat loss per unit area and temperature drop at the interface. m. b Derive the necessary
expression for the heat conduction through a composite hollow cylinder with neat diagram.
The contact thermal resistance between the two walls at the interface is . Heat Flux.
Cp . . a Explain the following Dimensionless Numbers with their importance i Reynolds
Number ii Prandtl Number iii Rayleigh Number iv Stanton Number. the reactor operates at a
temperature of C and the ambient temperature is at C. m/sec. mm of thick. Determine the
thickness of fire brick and Insulation layer which gives minimum heat loss and calculate the
heat loss per unit area presuming that the Insulation layer has a maximum temperature of C.
kinematic viscosity . OR . Properties of Water at C are as below . b Write a note on heat
transfer by Forced Convection. a Write a note on overall heat Transfer Coefficient. b When .
a A reactor s wall. Determine the length of tube required for fully developed flow. kg of water
per minute is passed through a tube of mm diameter. b Derive the necessary expression for
the Critical thickness of insulation for cylinder with neat diagram. w/mC covered with a layer
of insulation k Insulation Layer . . Average Nusselt Number is given by NNuAvg . . kg/m. the
heating is accomplished by condensing steam on the surface of the tube and the
subsequently surface temperature of the tube is maintained at C. is made up of an inner
layer of Fire Brick k Fire Brick . it is found to be heated from C to C. w/mC. w/m C. KJ/Kg k k
.
Counter flow and Cross flow heat exchangers with neat diagrams. a Discuss Heat
exchanger analysis based on LMTD and derive the term LMTD for parallel type flow heat
exchangers. a Discuss in detail Parallel. SECTION II . a Show that the total emissive power
of a surface equal to times its Intensity of radiation. B/II// . b Discuss in detail
StefanBoltzmann law and Plancks law. . a Discuss Absorptivity. b Discuss the following
terms i Evaporator Capacity ii Evaporator Economy OR . . OR . Reflectivity. OR . a Define
Evaporation with its the importance and state the classification of evaporators. b Discuss any
four parameters which affect Fouling. b Discuss in detail Black Body concept. Transmissivity
terms of radiation with neat diagram. a Write a note on Short tube evaporator and Long tube
vertical evaporator. Material and enthalpy balances for single effect evaporator. b Define the
term Logarithmic Mean Temperature Difference. b Discuss the terms Boiling Point elevation.
. . b Explain the various factors of Production. Neat diagrams must be drawn wherever
necessary.T. Marks Instructions Answer three questions from Section I and three questions
from Section II. P. SECTION I . Polymer/Petro/Petrochemical Semester II Examination. a
Explain the functions of Money.E. S. ELEMENTS OF SOCIAL SCIENCES Course Time
Hours Max. Answers to the two Sections should be written in separate books. b Explain the
Law of Demand.O. Black figures to the right indicate full marks. b Explain the merits and
demerits of Specialization. OR a Discuss the role of Government in development of macro
economy of India. Explain the following i Utility and its types ii Human Wants iii Wealth iv
Value of Price OR a Explain the importance of Engineering Economics.
Write Short Notes on i Types of Markets ii Vision of India iii Industrial Policy of India.
Discuss. OR Describe the economic policies implemented in India after Independence to
achieve Economic Growth. Comment. B/II// . a Explain the function of Religion. . OR a All the
Religions promote Universal Brotherhood and Love. OR i Secularism ii Indian Philosophy iii
Ecological Crisis. b India is land of Unity in Cultural Diversity. b Explain the importance of
Census. Write short notes on i Values and Professional Ethics ii Crimes and Punishments iii
Social Reformers. OR Discuss the impact of Globalization on Socio Economic sectors in
India. b Explain the concept of Sustainable Development. SECTION II . a Discuss the
features of Modern Family System. . .
had PS AC. it is found that had air conditioner AC.T.T. OR . had AC PW.E. Marks .
DISCRETE STRUCTURES Common to I. SECTION I . i Only power window ii PS and PW
but not AC iii AC and PS but not PW Draw Venn diagram. had power staring PS. a Prove by
induction that the sum of the cubes of three consecutive integers is divisible by g. Course
Time Hours Instructions Answer any questions from each Section. a Show the following
using Venn diagram i A B C A B A C ii A B C A B C P. Find the number of cars that had. had
PWPS. Black figures to the right indicate full marks. had all three features. Computer Engg.
had powerwindows PW. Semester I Examination.O. Answers to the two Sections should be
written in separate books. b In the survey of new cars. Max. S.
b Suppose that balls are selected at random from an user containing red balls and black
balls. . i The material is interesting and exercises are challenging. . . c Let P denote the
statement The material is interesting. . . the exercises are not challenging and the course is
not enjoyable. iv If the material is not interesting and exercises are not challenging. How
many four digit numbers can be formed from the six digits . The course is enjoyable write the
following statements in symbolic form. . Compute the probability that i All three balls are red ii
At least two balls are black iii At most two balls are black iv At least one ball is red. . a i In
how many ways can the letter in the word MISSISSIPI be arranged ii In how many ways can
three examinations be scheduled within a five day period so that no two examinations are
scheduled on the same day iii Compute number of permutations of the set given . iii Either
the material is interesting or the exercises are not challenging but not both. . then the course
is not enjoyable. iv Suppose that repetitions are not permitted. q denote the statement The
exercises are challenging and r denote the statement. ii The material is interesting means the
exercises are challenging and conversely. b Obtain the conjuctive normal form of each of the
following i P P Q ii P Q P Q iii Q P Q P Q . . v The material is uninteresting. .
. can they invite a dinner party of ladies and gentlemen so that there are of mans relatives
and of wifes relatives b Two cards are drawn at random from a deck of cards. b Three
functions F. Find the transitive closure for R using Warshalls Algorithm. . OR . . . H are
defined from R R as follows i f x x ii g x cos x iii h x x . . . . . . of them are ladies and are
gentlemen. . and R . . his wife has relatives. . Find the probability p that i Both are diamonds
ii One is diamond and one is heart. . a A man has relatives. . . c Define the terms with
examples i Rule of sum and Rule of product ii Discrete probability and conditional probability
iii Binominal distribution. . G. . In how many ways. . . . . . . . of them are ladies and are
gentleman. c A student has to answer out of questions in an examination i How many
choices he has ii How many choices he has if has to answer the first two questions iii How
many choices he has if he must answer at least three out of first five iv How many choices he
has if he must answer exactly three out of first five . Find h gof and hog of Are they equal . a
Find the transitive clouser of R by Warshalls Algorithm where A .
. and R x. ii ar ar a r given that a and a. . be ordered by the relation x divides y. . y / xy. c
What is recurrence relation Solve the following recurrence relation. . Show that R is
equivalence relation. . . Draw graph of R. . SECTION II . . d Let X . c Find the numeric
function for A z z d Define the following terms with examples i Antisymmetric relation ii
Transitive relation iii Irreflexive relation. a Let A . . show that the relation is partial ordering
and draw the Hasse diagram. . . . . where the numbers associated with the edges are the
distances between vertices. i ar ar a r given that a and a . . b Write short note on chains and
antichains. a Determine a shortest path between a and z in the graph... OR . is divisible by .
OR . . . . b Define weighted graph. d. c. . G a. E and G V. . b. . . c. d. b. c. c. . b. . . G . a
Show that the graph G and G are isomorphic G V. a. . b. a. . E given by. . d. subgraph and
factors of graph with a suitable example. d. . . d. b Which of the following graphs represent
bipartite graph and planar graph If planar graph redraw the same. c For the following graphs
determine whether the graph has an Eulers circuit and Eulers path. .
c For the following figure solve the following options i Use nearest neighbourhood method to
find out Hamiltonian circuit for the graph starting at vertex a. . . . c Explain Fundamental
circuits and fundamental cut sets. OR . iii Determine the minimum Hamiltonian ckt for the
graph in the following figure. Determine corresponding minimum cut. . . For each weight give
corresponding code word. . a Use labelling procedure to find a maximum flow in the transport
network shown in the diagram. b For the given set of weights construct optimal binary tree
and find optimal binary prefix code . ii Repeat the part i starting at vertex d instead.
. c Find the fundamental system of circuits and the fundamental system of cutsets for the
following graph i With respect to the spanning tree given in ii. b What do you understand by
factors of a graph Find all possible kfactors of the following graph. . a Determine minimum
spanning tree for the following graph using Kruskals Algorithm.
OR . Show that ltz. is Abelian group. is a group. where A is a set of integers and is a binary
operation giving addition of two integers. B/II// . a Define Group. a Define the following terms
with examples i Ring ii Field iii Integral domain. c Define Abelian group. ODD and binary
operation is defined as EVEN EVEN ODD ODD ODD EVEN EVEN ODD Show that G. Show
that Z. is a monoid. b What is monoid Show that the Algebraic system A. . where z is set of
all integers that are divisible by and is a binary operation giving multiplication of integers. c
Define i Ring Homomorphism ii Ring Isomorphism. is a group. b Let G EVEN.
T. or . P. DIGITAL ELECTRONICS AND LOGIC DESIGN Course Time Hours Max. a
Perform the following Hexadecimal substraction and show your answer in hexadecimal only.
Neat diagrams must be drawn wherever necessary Black figures to the right indicate full
marks. Answers to the two Sections should be written in separate books. obtain max. a Draw
and explain input TTL NAND gate circuit. b Explain the error correcting and detecting codes
with suitable examples. equivalent octal and hex number. c Explain various Boolean algebra
rules with suitable example. or . b Explain various characteristics of TTL logic families.
SECTION I . Marks Instructions Answer or . a Give the classification of logic families and
also explain characteristics of digital ICs. Computer Engineering Semester I Examination. i
Hex Hex ii AHex A Hex b Explain in detail bit Binary code to Grey code conversion using
kmap and MSI circuit. . b Explain NOR Gate using CMOS logic. o/p state table. a For a
maximum bit decimal number. . OR . or questions from Section II. also write various i/p. OR .
or questions from Section I and or . S.O.E.
Differentiate with JOHNSON ring counter. a Write entityarchitecture declaration for i/p xNOR
and NAND gate. . a Explain the Design of bit synchronous counter using JK flip flop. b
Explain lockout condition. a Explain the working of BCD adder using IC . Explain in detail
CPLD architecture. b Explain Ring Counter bit in detail. c What is ASM chart Explain the
MUX controller method with suitable example. . . Also draw timing diagram. b Explain in
detail PLA design. OR . a Explain execution in VHDL. Draw and explain working of any two.
SECTION II . Assume A and B as inputs and C as output of logic gates. b Design and
explain mux using mux IC. OR . b Draw ASM chart for bit grey code sequence. and various
design steps involved in it. b Explain design steps of RTL. a Draw and explain Binary to
segment driver IC . a What is PLD Explain in brief GAL. OR . Describe how to program
CPLD. Briefly explain its avoidance method. List available tools to design CPLD. PAL and
PLA. b What is priority encoder Design a priority encoder using NAND gate. Differentiate with
IC . a Explain types of shift registers. OR . B/II// .
E. Neat diagrams must be drawn wherever necessary. Assume suitable data.T. .O. Data
Data Object Data type Abstract Data Type Data Structure. Answers to the two sections
should be written in separate books. Semester I Examination. Marks Instructions Answer
three questions from Section I and three questions from Section II. OR . a Define the
following terms and explain with one example of each. Black figures to the right indicate full
marks. SECTION I . Computer Engineering DATA STRUCTURES AND ALGORITHMS
Course Time Hours Max. S. a What are the different algorithm design tools used Explain the
use of these tools for selection sort. b Explain in brief with one example each of the following
i Primitive/Nonprimitive data structures ii Linear/Nonlinear data structures iii Static/Dynamic
data structures P. if necessary. b Write pseudo C code to merge two sorted arrays A n and B
m into C n m such that resulting array C is also sorted.
Assume that given expression contains only single digit operands. Polynomial px. c Explain
the necessity of computing transpose in case of sparse representation of sparse matrices. b
Write pseudo C code to evaluate a given postfix expression using stack. y x xy xy y Compute
the storage bytes required for both of these representations used to store the above
polynomial in computer memory. . OR . b Write an algorithm to covert given infix expression
to its postfix form using stack. iv Persistence/Ephemeral data structures. a What is parsing
Explain the use of stack in parsing of an arithmetic expression. b What are the advantages
and disadvantages of using arrays Explain. c Write short note on Multistack. c Evaluate
following postfix expression using stack. OR . assuming bytes are required to store an
integer. . a Write pseudo C code to check for wellformed parenthesis for a given arithmetic
expression using stack. b Define data structures required to represent the following
polynomial. n is represented in computer memory using Row Major representation and
obtain a formula for computing the address of any element Ai. a Write pseudo C code to
compute the transpose of a given sparse matrix using fast transpose method and obtain time
and space complexity of your algorithm. a Explain how two dimensional array A m. Show the
contents of stack for every step. i Using two dimensional array and ii Using structure to
represent any term of the polynomial. j. where i m and j n. .
c Write short note on Double Ended Queue. b What are the problems faced while
implementing Linear Queue Explain how these problems can be resolved c Write an ADT for
circular Queue. . OR . c What do you mean by sort stability What precaution you will take to
make the insertion sort stable OR . a Write pseudo C code for insertion sort for
nonincreasing sort order. . What is its . . b Sort the following numbers stored in an array in
nondecreasing order using Quick Sort. b Write pseudo C code to sort an array of size n in
nonincreasing order using Shell Sort. Specify the Worst and Best cases for it. a Explain how
multiple queue can be implemented using single array Explain any one real world application
of Multiqueue. . Show the contents of array and partitions at the end of each iteration. a Write
pseudo C code to implement Binary Search using recursion. What are the Worst and Best
cases for it Obtain time and space complexities for each case. a Define Queue. Assume that
array contains integer numbers. Explain Queue simulation as an application of data structure
Queue. . . . Postfix Expression / SECTION II . and obtain time and space complexities for
each case. b Explain job scheduling based on priority of a job as an application of priority
Queue. .
time complexity c What is the need of sorting in computer applications . a Frequency Count
is the only important factor while analyzing an algorithm for its efficiency Justify. b Explain
how Dynamic Programming approach differs from Divide and Conquer and Greedy
approaches. c Give all possible solutions using Backtracking for queen problem. OR . a
Explain O, and notations used in analysis of algorithms. b State Tower of Hanoi problem and
write pseudo C code to solve it. c State the characteristics of Greedy Strategy.
B/II//
S.E. Computer Engg. Semester I Examination, FINANCIAL AND INDUSTRIAL
MANAGEMENT Course
Time Hours Max. Marks
N.B. Answer three questions from Section I and three questions from Section II. Answer to
the two Sections should be written in separate books. Neat diagrams must be drawn
wherever necessary. Black figures to the right indicate full marks. SECTION I . a Explain the
following Principles of Management. i Division of Labour. ii Remuneration. iii Unity of
Direction. b What is MBO Explain in brief. OR a Explain the different functions of
Management. b Discuss the contribution of F.W. Taylor to the thought of Scientific
Management. . a Explain the importance of Engineering Economics in brief. b Explain in brief
i Copyrights. OR ii Patents.
P.T.O.
a Define the following i Human Wants ii Wealth iii Utility iv Value and Price. b Explain in brief.
i Conditions of Valid Contract. ii SEBI. . Write short notes on i Cooperatives. ii Line and Staff
Structures. iii Partnership. OR Explain the following a Joint Stock Company. b Project
structure. SECTION II . a Explain the types and sources or Recruitment. b Define
Communication and discuss the barriers of Communication. OR a Explain Maslows Theory
of Motivation. b Explain the need and different methods of Training.
. Explain the following in brief. a Shares and Debentures. b Capital Market and Money
Market. c Fixed Capital and Working Capital. OR
a Define Cost. Explain the various Elements of Cost. b Explain the importance of Budget. . a
Explain the following Ratios. i Current Ration. ii Inventory Turnover Ration. b Discuss the
process of Credit Rating for Software Companies. OR Write short notes on a Depreciation. b
Payback method. c Accounting Rate of Return.
B/II//
S.E. Computer Engg. Semester II Examination, COMPUTER GRAPHICS Course
Time Hours Max. Marks
Instructions Answers to the two Sections should be written in separate books. Black figures
to the right indicate full marks. Assume suitable data, if necessary. SECTION I . a Explain
Bresenhams line drawing algorithm. Using Bresenhams algorithm draw line from , to , . b
Write short note on any two a Digitizer. b Touch Panels. c Joystick. OR . a Explain what is
stroke method and bitmap method. b Using DDA algorithm find out which pixels would be
turn on for the line with end points , to , . c Define pixel, vector. . a Explain the concept of
polygon fill and explain various polygon filling algorithms. b Explain w.r.t. D transformation i
Scaling iii Translation. OR
P.T.O.
ii Rotation
a What are the different types of polygon How to find whether given point is inside the
polygon or not. b Perform the rotation of triangle A , , B , , C , i about the origin ii about P , . .
a What is animation and explain with suitable example how concept of segmentation is used
for animation. OR . a Explain the segment table in detail and suggest the data structure used
for segment table.
b With the help of suitable example, explain CohenSutherland outcode algorithm.
b Describe SutherlandHodgeman polygon clipping algorithm with the example. Suggest its
limitations. SECTION II . a Explain i Parallel projection. ii Perspective projection. b Explain
various steps to perform rotation about Xaxis, Yaxis and Zaxis in D. OR . a Obtain the D
transformation matrices for i Scaling ii Translation iii Rotation about an arbitrary axis. b What
is the necessity of D clipping Explain any one D clipping algorithm.
. a Explain binary space partition algorithm for hidden surfaces. b Explain phong shading and
Gourand shading. OR a Explain Warnocks algorithm for hidden line removal. b Why are
hidden surfaces algorithms needed How does zbuffer algorithm determine which surfaces
are hidden. . a Explain the curve generation methods with example. b What are fractals
Explain how fractal surface is generated. OR . a What is fractal dimension Explain koch
curve in detail, giving fractal dimension. b Compare Bezier and Bspline curves.
B/II//
S.E. Computer Engineering Semester II Course Examination, COMPUTER ORGANISATION
Common to I.T.
Time Hours Max. Marks
N.B. Answer Q. or Q. , Q. or Q. , Q. or Q. from Section I and Q. or Q. , Q. or Q. , Q. or Q.
from Section II. Answers to the two Sections should be written in separate answer sheets.
Neat diagrams should be drawn wherever necessary. Figures to the right indicate full marks.
Use of electronic pocket calculator is allowed. Assume suitable data if necessary. SECTION I
. a Draw and explain the Von Neumann architecture. b Represent . in single and double
precision floating point format. OR . a Draw the flow chart of floating point addition. b Explain
IEEE floating point number format. c Using Booths algorithm multiply the following
Multiplicand Multiplier . a What are the advantages of Hardwired control over micro
programmed control in the control unit design of CPU b Explain the design of multiplier
control unit using Delay element method. OR . a Write a control sequence for the execution
of the following instruction SUB R, R b Draw a neat diagram of single bus organization of a
CPU showing ALU, all types of registers and the data paths among them.
P.T.O.
. a Explain the instruction pipelining and instruction cycle. b Explain the design of ALU using
combinational circuits. OR . a What is addressing mode Explain the following addressing
modes with suitable examples i ii iii iv Immediate addressing Base register addressing Index
addressing Register addressing.
b Explain Data Hazards in instruction pipelining. SECTION II . a Draw and explain following
mapping techniques of Cache i Direct Mapping ii Associative Mapping. b i What are the
different replacement algorithms Explain LRU algorithm in detail. OR . a Explain briefly i
CDROM ii Optical Memory. b Explain the following memory systems i SRAM ii DRAM iii
SDRAM iv RDRAM
. a Compare programmed I/O and Interrupt Driven I/O. b What is an interrupt How does CPU
recognize an Interrupt What is the difference between subroutine and Interrupt service
routine c Explain working of Laser Printer. OR . a Explain the encoding method used by the
USB. Also give any four USB commands. b Draw and explain typical DMA block diagram
and explain cycle stealing operation. . a Explain how I/O processor communicates with the
main processor. b Write a short note on Superscalar Architecture. OR . a What is bus
arbitration Explain and compare Daisy Chaining and Polling methods of Bus Arbitration. b
Compare RISC Vs. CISC. c Explain the working of IEEE bus.
B/II//
S.E. Information Technology Sem. I Examination, DIGITAL ELECTRONICS AND
MICROPROCESSOR Course
Time Hours Max. Marks
Instructions Answer question or , or and or from Section I and question or , or , and or from
Section II. Answers to the two Sections should be written in separate answer books. Neat
diagrams must be drawn wherever necessary. Figures to the right indicate full marks.
Assume suitable data if necessary. SECTION I . a Convert the following Decimal numbers to
its equivalent Binary numbers. Show step by step process i . ii . iii b Perform the following
hexadecimal subtraction using s compliment method. i H H ii H H iii H H c What is Gray code
State specific properties and applications of this code. OR . a Convert the following binary
numbers into octal and then decimal. i . ii . iii b Perform the following additions with base ,
and ii FC FAE i iii c What are the Error detecting codes Explain in detail.
P.T.O.
. a What do you mean by Tristate Draw and explain the circuit diagram of tristate TTL NAND
GATE. b Compare TTL and CMOS families based on the following characteristics. i Noise
Margin iii Fanout OR . a What is the drawback of WIREDOR TTL GATE With the help of
suitable circuit diagram explain how it can be removed using TRISTATE GATE. b What is the
difference between low Power TTL and Schotty TTL . a Design and draw a full adder using
mutiplexer. Compare the IC package count with the NANDNAND realization. b Reduce the
following function using Kmap technique. Also implement using basic logic gates i Y m , , , , d
, , , , ii Y M , , , , , , , , , OR . a List Rules for BCD addition and design single digit BCD adder
using and some logic gates. b Implement multiplexer using and multiplexers. c Draw and
explain the logic configuration of PLA. SECTION II . a What is Racearound condition How is
it removed in basic JK flipflop circuit b What is switch contact bounce How will you remove
contact bouncing in a keyboard c What do mean by synchronous and asynchronous
sequential circuits State merits and demerits of both the circuits. OR ii Propagation Delay
time
. a Draw and explain Ring Counter using bit shift register. Also draw the waveforms. b
Design the circuit to generate the following sequence. How will you ensure that circuit will not
have lockout condition . a Explain with the help of suitable block diagram the logic of bit
successive approximation analog to digital converter. b Compare bit RR ladder DAC with bit
weighted resister DAC. Also draw circuit diagram for both the types of DACs. OR . a What is
the purpose of sample and Hold circuit at the input stage of analog to digital converter Justify
your answer with the help of suitable circuit diagram. b What are the various specification
one needs to observe while deciding an ADC for a specific application Explain. . a Explain
the block diagram of PPI. How is it interfaced with microprocessor What is BSR mode b
Compare i Memory mapped I/O and I/O mapped I/O ii Mode and Mode of . OR . a What are
various addressing modes of microprocessor Explain with suitable example of instructions. b
Draw and explain the block diagram of microprocessor.
B/II//
Explain the role of managers in a changing business environment.O.W. merits and demerits
of Joint Stock Company. Are they relevant in present business context Justify. Taylor to the
management science. Under what conditions demand curve slopes backward OR . Describe
various functions of management. a Critically evaluate the contribution of F. b Management
is an art. Semester IExamination. merits and demerits of functional organisation. b Define
demand. S. Black figures to the right indicate full marks. . a Explain the concept of ERP and
Ecommerce and its application in business. Neat diagrams must be drawn wherever
necessary. Marks Instructions Answer three questions from Section I and three questions
from Section II. a Define Management. a What is human wants Explain various
characteristics of human wants. P.I. SECTION I . MANAGEMENT AND FINANCE Course
Time Hours Max. ii Contract Act. functions. Explain the following i Patent and copy right and
its certification procedure.T.T. . Explain law of demand. OR . Describe various forms of
business organisation. b State and explain the structure.E. Explain. OR . science as well as a
profession. Explain the formation. b State and explain Henry Fayols principles of
management. . Answers to the two Sections should be written in separate books.
Explain the following i Capital Budgeting ii Money and Capital Market. Define BreakEven
Analysis. SECTION II . OR . OR . B/II// . Explain the importance and functioning of quality
circle in industry. b State and explain various types of overheads with example. a What is
credit rating Explain the process of credit rating for software companies. a Define quality
circle.a Define depreciation. b State and explain Maslows theory of motivation. . Explain
various methods of depreciation. What are its assumptions Construct CVP graph and explain
its importance to industry. Explain the techniques and objectives of man power planning. OR
. . a Define man power planning. b Explain the following Ratios with their importance i
Debtequity ratio ii Current ratio. b What do you mean by capital structure Explain various
types of capital and its importance.
ii Answers to the two Sections should be written in separate answer books. What do you
think are the issues that are to be deal with when dealing with pointers b Explain the
following control flow statements with any programming language code i Sequence
statement ii Loop structure iii Branching statement iv Iterative statement.T. Information
Technology Semester I Examination.O. . b Write a short note on static and dynamic type
checking. OR . SECTION I . S. a What are the characteristics of high level language Explain
each in brief. b Explain the following i Tokens lexical issue ii Syntax and semantics iii
Grammar. i Answer three questions from each Section. a Discuss the various programming
language translation issues in detail b Explain the different aspects of the cost of a
programming language. iv Figures to the right indicate full marks. PROGRAMMING
PARADIGMS AND METHODOLOGY Course Time Hours Max. Marks N. v Assume suitable
data if necessary. . OR .B. P.E. a List out the basic building blocks of a programming
language. iii Neat diagrams must be drawn wherever necessary. a What are pointers and
references Explain the differences between them. Explain any four in detail.
a State and explain the different static scope rules b Define the term referencing
environment. SECTION II . b What is meant by constructor and destructor What are the
different types of constructors For what purpose will constructor and destructor use in
program OR . b Explain with respect to C i Objects and classes ii Polymorphism iii
Encapsulation iv Data/Information hiding. . global and predefined referencing enjoinments
with suitable examples. . Explain local. a Write short note on i Process iii Dead lock. a What
are the general characteristics of subprogram What is the recursion in the subprogram How
activation record work in this case b Explain the following parameter passing methods with
simple program fragment any i Call by value ii Call by reference iii Call by name iv Call by
value result. a Explain the importance of LISP b Explain the following preliminary used by
PROLOG with suitable example i Facts ii Existential Query iii Clauses iv Deductions v Cuts.
OR . ii Semaphores b Explain in brief concurrent programming . OR . a Explain the
distinction between ProcedureOriented Programming language and ObjectOriented
Programming Language. non local. a Discuss the inheritance and operator overloading in C
with suitable example.
a Compare different corresponding control structure available in C and PROLOG. b Write all
the data type supported by LISP. b How is the file handling in C different than file handling in
C B/II// . a Explain the following terms in C i Friend function ii This pointer iii Virtual function iv
Copy constructor. OR . Explain with suitable example. .
a Draw programmers model of . OR . explain the basic architecture of processor in detail. P.
Tech. a With the help of block diagram. b Explain the following directives i EXTRN ii PUBLIC
iii DB iv .T.com. Semester II Examination. Describe signals/ pins used in maximum mode. if
necessary.exe and .O. . . Marks Instructions Answer any questions from each Section.
Answers to the two Sections should be written in separate books. Black figures to the right
indicate full marks.STACK. Assume suitable data. a Draw timing diagram of memory read
cycle for and explain. Infor. Neat diagrams must be drawn wherever necessary.E. SECTION
I . S. b Draw functional diagram of in minimum mode. a Explain difference between i far and
near procedure ii . b Explain any two addressing modes of . Explain. OR .
MICROPROCESSOR SYSTEMS Course Time Hours Max. b Draw functional diagram of in
maximum mode.
a What is exceptions. a Draw block diagram of . b Draw block diagram of . b What is the
meaning of privileged instructions. B/II// . Explain with the help of CALL GATE. b Draw block
diagram of . Explain. SECTION II . . Explain. OR . OR . a Draw block diagram of . b Explain
various operating modes of . a Explain how will access code from PL if it is running at PL.
Explain. . a Give difference between synchronous and asynchronous communication.
Explain its types. Give examples. a Explain the different types of interrupts in . b Explain TSS
Task State Segment with the help of diagram. b Explain significance of TS bit and NT bit. b
Explain IVT of in detail. c How switches from RM to VM . a Explain how converts logical
address to physical address when is operating in real mode and protected mode with the
help of all descriptors and registers. OR . a What are the features of Pentium Draw
architecture diagram of Pentium Processor. OR . Explain.
. P. Assume suitable data. Semester II Course Examination. ilt x. y . OR .T. j If i j print xxx. a
Explain the representation of a sparse matrix with an example and state its advantages. else
break. using DLL. Black figures to the right indicate full marks. Analyse time complexity of the
algorithm.E. c Write a nonrecursive C program to implement quick sort on a list of n nos.
SECTION I . b Write a C program to add two binary nos. DATA STRUCTURES AND FILES
Time Hours Instructions Max. for i . Find the frequency count of the following piece of code x
. if necessary. i for j y. Neat diagrams must be drawn wherever necessary. I. jgt . b Write a C
program to reverse a SLL.T. a Write an pseudo code to find fast transpose of a sparse
matrix. Marks Answers to the two Sections should be written in separate books. S.O. c
Define frequency count.
Write a C fn. FEB. JULY. with respect to graphs i Cyclic graph ii Connected graph iii
Strongly connected graph. b Write a note on threaded binary trees. OCT. OR . JUN. to delete
a node from a BST. b Write a pseudocode to find MST for a graph using Prims algorithm.
MAR. SEP. JAN. APR. a Define a graph. . DEC. a Describe the sequential and linked
representation of binary trees and show the same for the given tree. NOV. OR . Find MST
using Prims for the given graph. a Draw the BST for the given set of data values. MAY.
Define the following terms with eg. b Write a C program to create a threaded binary tree and
perform traversals. AUG. .
Represent the given polynomial using a GLL. . . . Find DFS traversal for the given graph. . a
Write a note on OBST. . b Create a Huffmans tree for the given set of data values and find
the code of each. b Perform heapsort on the following set of data . c Compare static and
dynamic trees. . SECTION II . . . . a Explain the node structure used to represent a GLL. .
xyz xyz xyz xyz xyz yz. . . OR . A B C D E F G H . b Write a pseudocode to find DFS
traversal for a graph. a Explain the different rotations used in AVL trees with eg.
. . . . Perform linear probing without and with replacement for the given set of values . Give
examples for both. . a Write an algorithm for hashing using linear probing with replacement
strategy. a Write an algorithm for hashing using chaining with replacement strategy. Hash
table size . . b Distinguish between greedy and dynamic programming strategy. . . c Towers
of Hanoi algorithm. Perform chaining without and with replacement for the given set of values
. . . . b Explain the different file opening modes w. . . Hash table size and Hx x mod . B/II// . .
OR . . . Perform mergesort for the given data . OR . binary and text files. . b Compare
sequential.r. Hx x mod . indexsequential and direct access files. a Write a pseudocode for
mergesort and explain the algorithmic strategy used for the same. b Queens problem. . .
Write notes on a Randomized algorithm. . . . . . . .t.
SECTION I . Use of logarithmic tables. APPLIED CHEMISTRY Common to Chemical
Course Time Hours Max. Ndimethyl aniline is a weaker base than N. . if necessary.O. N
dimethyl otoluidine. Semester I Examination. Marks Instructions Answer any questions from
each Section. iii Give reasons a N.Tech. Black figures to the right indicate full marks. i What
is aromaticity Explain the aromaticity of the following compounds a Iropylium cation b
Thiophene c Cyclopentadienyl anion. electronic pocket calculator and steam tables is
allowed. Mollier charts. b Guanidine is a strong base. BioTech.E. Neat diagrams must be
drawn wherever necessary. ii Explain the following with examples a Inductive effect b
Tautomerism. S.T. Assume suitable data. All questions are compulsory. OR P. slide rule. B.
Answers to the two Sections should be written in separate books.
i Draw resonating structures of following compounds a pnitrophenol b Benzaldehyde c
Anthracene. iii What are free radicals Draw the orbital picture and show the relative order of
stability of free radicals. ii Give mechanism of Friedel Crafts acylation. . . ii What is
mesomeric effect Explain with the help of examples the resonance effect on pKa values of
acids. What are its limitations iii Predict the product a CH CH HO HSO b CH CH C CH H C
OH CH Br NaOC H c O Br CHCHO H d tbutyl alcohol H SO C e Sodium ethanoate
electrolysis warm f Acetaldehyde dil NaOH OR . i Explain SN mechanism using suitable
example.
in presence of peroxide. iii Give mechanism for formation of ethylacetoacetate. . ii Predict
the product a C CH COO NO b Ni H . iii Describe the Fischers Indole synthesis. i Give the
mechanism of HBr addition on propene. i Draw the conformation of nbutane and discuss the
energy profile diagram. ii Identify A amp B a CH CH CH Cl alc CH A KOH Sodium b Ethyl
acetate ethoxide B c CH C CH CH sunlight HCl A d Phenol conc A B HNO CH e CH C CH
HSo A B C f NH OH A H B. . C hot c CH CH Red tube d Br dioxane . OR .
i Explain why electrophilic substitution takes place at position and in quinoline. Explain why
staggered conformation is more stable than eclipsed conformation. iii Assign R and S
configuration to each of the following compounds a b c d . ii What is conformation Draw the
important conformations of ethane. .
b Define Angle of contact and explain the capillary rise method to determine the surface
tension of the liquid. Find the viscosity of the liquid relative to that of water. centipoise . g/cc
is . a Derive the Braggs equation for the measurement of diffraction angle. for water and for
same volume of organic liquid having density of . e f SECTION II . OR . c The time required
to flow through Ostwalds viscometer is min. w . min.
Parachor. Critical temperature. c In measuring surface tension of a liquid. If . dm /mol. a . g.
b Define Mean free path. by the drop weight method. a State ideal gas equation and explain
the corrections to this equation with respect to Pressure Volume suggested by van der Waal
and write the corrected equation. under these conditions. b Write a note on Troutans Rule.
Collision frequency.. OR . b . atm litre mol k . . a Derive the Kinetic Gas Equation. Collision
diameter. Specific heat at constant volume CV. what is the surface tension of the liquid . . a
Define viscosity and explain the method for determining the viscosity of the liquid by using
Ostwalds viscometer. drops of the liquid falling from the tip whose diameter is . Value of R is
. c Calculate the critical constants PC and TC of C H gas using van der Waals constants. cm
were found to weigh . dm/mol. Specific heat at constant pressure CP.
Describe the Barkeley and Hartleys method for the determination of osmotic pressure of the
solution.P.. a Explain the Landbergers method of determining the molecular weight of a
solute. c Calculate the mean free path of O molecules at C and a pressure of . c solution of
CaNO in water boils at . Given that the collision diameter is m. a Explain the term osmosis
and osmotic pressure.. Given n . OR .C. . B/II// . Molar elevation constant for g of water is . b
Explain abnormal colligative properties of solution and explain the term colligative property.
atm. if heat of vapourization is J/g. c Find the freezing point depression constant for water.
Calculate vant Hoffs factor i. b Define Average velocity Root mean square velocity The most
probable velocity Boyles Law Charles Law Grahms Law of Diffusion. Elevation in B. b Give
the thermodynamic derivation of boiling point and show that it is a colligative property.
c Derive Eulers equation of motion. is contained in vessel. poise. a State the necessity of
diverging cone. is pulled with speed of . . c Explain constructional features of orificemeter. b
Explain the formation of hydrodynamic boundary layer. Use of programmable calculator is
not allowed. Calculate the discharge through the pipe if pressure drop is mm of water. Find
the force and power required to maintain this speed if fluid separating the plate is having
viscosity of . Find the corresponding height of water at that point. Make necessary
assumptions wherever required. SECTION I .mm. .E. The mean velocity is of central velocity.
Marks Figures to the right indicate full marks. b A pitot tube placed in the centre of a mm pipe
has one orifice pointing upstream and other perpendicular to it.. a Explain Rheological
classification of NonNewtonian fluid. under pressure of N/cm and mean velocity of m/s. mm
from it. m/s relative to another plate located at distance of . S.T. P. b Explain effect of
temperature and pressure on viscosities of fluids. sq. Take Cv . OR .Tech.O. At a point the
height of oil is m. Calculate the total energy per unit weight of water at a cross section which
is m about the baseline. OR . Answer any three questions from Section I and any three
questions from Section II. Draw a neat sketch wherever necessary. B. Biotech. a A flat plate
of area . converging cone in construction of venturimeter. Semester I Examination. FLUID
FLOW OPERATIONS AND SOLID HANDLING Course Time Hours Notes Max. b Water is
flowing through a pipe of cm dia. a An oil of specific gravity .
SECTION II . Calculate the diameter of rolls. b A disk turbine with four blades is installed
centrally in a vertical baffled tank m in diameter. .. a Explain mixing flow pattern in baffled
and unbaffled tanks. c Define froude number and power number. a Describe the effect of
mesh size on capacity of screen. b Explain the necessity of baffles in agitated vessels. . . a
Obtain relation between power required for mixing and Reynolds no. c Describe working of
twin blade conical mixer. c A pair of rolls is to take a feed equivalent to sphere mm in
diameter and crush them to sphere having diameter mm. Calculate the power required. Take
KT NP . If the coefficient of friction is . b State the factors affecting the size of product in case
of size reduction equipments. The turbine impeller runs at rpm. a Derive Navier Stoeks
equation for a fluid of constant density and viscosity. a Explain construction and working of
Hammer mill. OR . The turbine is . c Calculate the operating speed of the ball mill if diameter
of ball mill is mm and that of ball is mm provided the operating speed is less than critical
speed. m in diameter the tank is filled with a fluid having viscosity cP and density of kg/m. b
Define Hindered settling. a State Darcys law and derive Kozeny Carman equation. Describe
the relation between terminal velocity and settling velocity with necessary curve.. OR . OR . b
Explain working of gyratory screens. b Explain relation between Reynolds number and drag
coefficient for spheres when the particle is moving at its terminal velocity with respect to fluid.
OR . a Explain the construction and working of continuous rotary vacuum filter. . b Write
short note on i Particulate fluidisation ii Bubbling fluidization iii Axial slugging and flat
slugging. a Explain the application of fluidization in fluidized bed reactors. B/II// . Differentiate
between compressible and incompressible filter cake. b Explain mechanism of filtration.
SECTION . show and explain the specific pairing of purines and pyrimidines. S. With the
help of a neat diagram.Tech. MOLECULAR BIOLOGY AND GENETIC ENGINEERING
Course Time Hours Max. Describe in detail biosynthetic and degradation pathways of
purines and pyrimidines. OR . Biotechnology B. b What are inborn errors of metabolism Give
an example of a disorder.O. Write short notes on Marks each a Nucleosome b
Hyperchromacity c Mitochondrial DNA. OR . ii Answers to the two Sections should be written
in separate answer books. . Semester II Examination. Marks Instructions i Answer three
questions from Section I and three questions from Section II.T. Highlight the spatiotemporal
reasons for the formation of these bonds in the specific manner. Answer the following Marks
each a What are salvage pathways Elucidate with example. iii Neat diagrams must be drawn
wherever necessary. iv Figures to the right indicate full marks. Draw structures wherever
necessary. . P.E.
OR . Discuss in detail functions of various enzymes involved in replication of eukaryotes.
List the enzymes involved. b Reverse transcriptase with an example. with one example each.
Discuss in detail splicing of mRNA. . OR . b Hormone responsive elements. OR . Write short
notes on Marks each A Rolling circle model of DNA replication B DNA gyrase C Messelson
Stahl experiment D DNA Polymerase. List various enzymes involved in replication of both
prokaryotes and eukaryotes. How is it different from the one in eukaryotes OR . Discuss in
detail initiation of translation in prokaryotes. SECTION . Write notes on a Post transcriptional
modifications of all types. . Marks each Marks each Marks each B/II// . Discuss the process
of transcription in detail. Write short notes on a Various types of mutations. . Write notes on a
Heat shock proteins b Mode of action of Puromycin c tRNA synthetase.