Civil Engineering Department
Shantilal Shah Engineering College, Bhavnagar
Assignments
Subject: Surveying
B. E. Semester-III (Civil)
Plane Table
1
Describe various accessories required for Plane table surveying and discuss its functions. Also
discuss the steps required for setting up a plane table.
2
Enlist Various methods of plane tabling and explain with sketch any one method.
3
Describe various accessories required for plane table survey with neat sketch and also write
their use.
4
What is orientation? Enlist different methods of orientation of a plane table & Explain any one.
Traverse
1
Define the following terms clearly
(1) Latitude (2) Departure (3) Closing error (4) Balancing of traverse
2
How will you adjust closing error of traverse by graphical method & by Transit rule?
3
State different methods of measurement of horizontal angle using theodolite and explain any
one method.
4
Following are the length & bearings of the sides of a closed traverse ABCD. Find out the length
& bearing of line DA.
Line
AB
BC
CD
DA
5
Length (m)
75.50
195.00
38.10
?
Bearings
139˚30’
35˚50’
339˚10’
?
What is ‘closing error’? What are the different methods of balancing the closing error in a
closed traverse? Explain any one method.
6
Explain Temporary adjustment of theodolite and also write uses of theodolite.
7
Define the following terms:
(i) Vertical axis (ii) Plunging (iii) Swinging (iv) Line of collimation
8
Explain the repetition method to measure horizontal angles and how readings are recorded?
What are the advantages of this method?
9
The following are the lengths and bearings of the lines of a Traverse ABCD. Calculate
consecutive coordinates of points of a Traverse and also find out closing error and its direction.
Line
AB
BC
CD
DA
10
Length (m)
235.10
317.40
215.00
281.60
Bearings
338˚20’
82˚22’
167˚00’
239˚40’
In a closed traverse ABCDEA, the lengths of lines DE and EA could not be measured due to an
obstruction. Determine the lengths from the following data.
11
What is temporary adjustment of a theodolite? Describe the process of such adjustment.
Trigonometrical Levelling
1
Define Trigonometric leveling. Derive the equation to find out the elevation of the object, if the
base of the Object is inaccessible, the instruments stations and elevated object are in the same
vertical plane and instrument axes are at the same level.
2
An instrument was set up at P and the angle of depression to a vane 2 m above the foot of the
staff held at Q was 50 36ʹ The horizontal distance between P and Q was known to be 3000
meters. Determine the R.L of the staff station Q, given that staff reading on a B.M. of elevation
436.050 was 2.865 metre
3
Derive an expression for computing horizontal distance and elevation in trigonometric levelling
while base of the object is inaccessible & instrument stations are in the same vertical plane with
elevated object and instrument axis are at same level.
4
Calculate the reduced level of the top of a chimney from the following observations. The top of
Chimney & the station A & B are in the same vertical plane. Inst. Station A & B are 100 mt
apart and station A being nearer to the chimney.
Inst Stn
A
B
5
Staff Reading on
BM
2.870
3.750
Vertical angle with top of
Chimney
28˚42’
18˚06’
RL of BM
100.00m
Discuss the method of determination of the difference of elevation of the instrument station and
top of a chimney when it is not possible to set the instrument at two stations P and Q in the same
vertical plane as the chimney.
6
What is Trigonometric leveling? What are its advantages and disadvantages over direct
levelling?
Curve
1
Describe the method of setting out of a simple circular curve by Rankine’s deflection angle
method.
2
A compound curve is to connect two straights having a deflection angle of 900, The length of
two tangent are 350 metres and 400 metres respectively. Calculate the lengths of the two arcs if
the radius of the first curve is to be 300 metres.
3
Discuss types of transition and vertical curves with neat sketches. Also discuss advantages and
requirements of transition curves.
4
Two straights intersect at chainage 2056.44m and the angle of intersection is 1200. If the radius
of the simple curve to be introduced is 600m find the following (i) Tangent distance (ii)
Chainage of the point of commencement (iii) Chainage of the point of tangency (iv) Length of
the long chord.
5
Why curves are provided on highways & railways? Draw a typical simple circular curve &
show various elements on it.
6
Describe the method of setting out a simple circular curve by Rankine’s deflection angle method
with a neat sketch.
7
Two tangent intersect at a chainage of 1320.5 mt. The deflection angle being 24o. Calculate the
following quantities for setting out a simple circular curve of radius 275 mt. (i) Tangent length
(ii) Length of long chord (iii) Length of curve (iv) Chainage of point of commencement &
tangency. (v) Apex distance (vi) Versed sine of curve.
8
Write short note on (i) Transition curve (ii) Vertical curves.
9
What are the different types of transition curve? Describe them briefly with neat sketches.
10
The chainage of the intersection point of two straights is 100 chains + 50 links and the
deflection angle is 45°20'. A circular curve of 250 m radius is to be set out to connect two
straights. Calculate the necessary data for setting out the curve by the method of offsets from the
chord produced. Length of one chain is 20 m with 100 links and peg interval is 20 m or 1 chain
11
Explain why super elevation is required in roads and railways. Derive an expression for super
elevation.
12
What are the elements of a simple circular curve? Explain with neat sketch
Area Volume
1
Explain procedure for area measurement by planimeter also discuss component parts of
planimeter , multiplying constant and zero circle
2
The following perpendicular offsets were taken from a chain line to an irregular boundary.
Calculate the area between the line and irregular boundary by (i) Average ordinate rule. (ii) midordinate rule (iii) Trapezoidal rule, and (iv) Simpson’s rule
Chainage
(m)
Offset
Lengths (m)
0
30
60
90
120
150
180
210
0
2.65
3.80
3.75
4.65
3.60
5.00
5.80
3
Derive equation for Trapezoidal and Simpson’s rule to find out area of an irregular boundary.
4
The areas enclosed by the contour of a lake are as under. Calculate the volume of water stored
between contour 270 m & 290 m. by (i) Trapezoidal formula & (ii) Prismoidal formula.
Contour Level
(m)
Area (m2)
270
275
280
285
290
2050
8400
16300
24600
3150
5
Explain in detail the procedure for finding out area of an irregular figure using planimeter.
6
What is use of Planimeter? What is the zero circle? Under what condition do the zero circles get
traced by the tracing point? How you can find the area of zero circles?
7
A road embankment is 8 m wide and 200 m in length at the formation level, with a side slope of
1.5(H): 1(V). The embankment has a rising gradient of 1 in 100m.The ground levels at every
50m along the centre line are as follows.
Take formation level of zero chainage as 166 m. Calculate the volume of earth work by
Trapezoidal rule & Prismoidal rule.
Distance (m)
Ground RL (m)
0
164.50
50
165.20
100
166.80
150
167.00
200
167.20
Hydrography
1
What is sounding? State different methods of locating sounding and explain any one
method.
2
Explain various objectives of hydrographic survey. Also enlist equipments used for
sounding & explain any one in brief.
3
Discuss various methods of locating soundings in hydrographic surveying.
4
What are the different types of tide guage? Explain the working of non-registering tide
gauges with suitable sketches.
Setting out works
1
Explain the procedure for setting out a culvert.
2
Explain the procedure of setting out of building foundation.
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