STUPIDSID
1 (a)
Explain various welding defects with their causes and remedies.
10 M
1 (b)
Differentiate between soldering and brazing.
5 M
1 (c)
Compare transfer molding and compression molding.
5 M
2 (a)
A cylindrical riser is to be designed for a sand casting mould. The size of steel casting is 7.5 cm × 12.5 cm × 2cm. The previous observation have indicated that the total solidification time for casting is 96 sec.
The cylindrical riser have (d/h)=I. Find the size of user so that its solidification Time is 120 sec.
The cylindrical riser have (d/h)=I. Find the size of user so that its solidification Time is 120 sec.
10 M
2 (b)
Discuss friction welding with its applications.
5 M
2 (c)
Differentiate between open and closed die forging.
5 M
3 (a)
Discuss various rolling defects.
6 M
3 (b)
Differentiate between core and core point.
6 M
3 (c)
With a neat sketch explain resistance welding process giving its applications.
8 M
4 (a)
Write advantages and disadvantages of powder metallurgy.
6 M
4 (b)
With a neat sketch explain swaging process.
6 M
4 (c)
What are the different NTD methods? Explain any two methods in detail.
8 M
5 (a)
Explain the screw type injection moulding with neat sketch. Discuss its advantages, limitations and applications.
8 M
5 (b)
Discuss different methods of making in powder Metallurgy.
6 M
5 (c)
Explain different gas welding equipments.
6 M
Write short note on:
6 (a)
Pattern allowances
5 M
6 (b)
Casting defects
5 M
6 (c)
Thermite welding
5 M
6 (d)
Thread rolling.
5 M
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