Second
year, Department of Aeronautical Engineering
First and second
Units Questions.
Answer ALL Questions
PART A – (5 x 2 = 10 Marks)
1. Define casting.
2. What do you mean by core print?
3. What are the different types of pattern?
4. What are the defects in casting processes?
5. Distinguish between soldering and brazing.
6. Define welding?
7. What are the advantages
of submerged arc welding?
8. Define plasma arc
welding?
9. What is thermit?
10.What is meant by friction
welding?
Answer
all questions
6. a) With
a neat diagram ,briefly explain the Shell moulding process. (7)
b) Discuss the hot chamber die casting methods
in details. (6)
7. a) Describe
briefly the technique of welding in MIG process. (7)
b) Enumerate the principle of
operation, advantages and limitations of Electron beam welding. (6)
8. a) Explain with neat sketch the centrifugal
casting process. (7)
b) List out the various casting defect
(6)
9.
Explain with neat sketch the principle of (i) oxy acetylene gas welding.
(ii) Ultrasonic welding (13)
10.
Explain the resistance welding process giving the equipments, parameters
controlled and the applications. (13)
PART - C [15 Marks]
11. What is the principle of thermit
welding? Explain the same with neat sketch of the welding arrangement? (15)
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