NORTHERN INDIA ENGINEERING COLLEGE DELHI
Mechanical and Automation Engineering Department
Course:- B.Tech. Ist Semester
Assignment No-2
Sub:- Manufacturing process
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(a) Name of the general safety recommendations used in welding shop.
(b) Give the general classification of welding and allied processes.
Differentiate among welding; brazing and soldering on the basis of principles,- heating ranges,
major type , set-ups, strength of the joints and applications.
Classify the welding processes, List their advantages and limitations.
Differentiate among gas welding, arc welding and resistance welding using
(a) Principal (b) Process set-up
(c) Type
(d) Applications
(e) Advantages.
Write short note on welding defects.
Describe briefly the brazing process. State its advantages, disadvantages and applications.
Explain resistance welding process giving the equipment, parameters and the application.
Write short note on:
(a) TIG Welding process
(b) Type of flame used in gas welding
What is welding? How does gas welding differs from electric arc welding. Explain with sketches.
(a) What is the resistance welding? Sketch and compare spot welding with seam welding.
(c) What are the precautions needed while welding.
Sketch a gas welding set and label its parts. Explain various type of used of flames used in gas
welding along with temperature range.
What is an electrode? What are its types? Write the application of different type of electrodes.
Compare TIG welding with MIG welding as regards the type of welding electrodes and
applications.
Sketch and explain flux shielded metal arc welding.
Explain fusion as it relates to welding operations. How will you classify the welding processes?
How will you classify the welding processes? Explain with suitable applications, the working
principal of resistance welding.
Distinguish between welding, brazing and processes. White about the importance of fluxes
being used in welding.
Sketch and explain the equipment required for oxy- acetylene welding.
Sketch and explain different type of oxy-acetylene flames.
Compare AC welding with DC welding.