STUPIDSID
1 (a)
Explain the various casting defects with their causes and remedies.
10 M
1 (b)
Explain press forging? Discuss its advantages over hammer forging.
5 M
1 (c)
Differentiate soldering and brazing.
5 M
2 (a)
A cylindrical riser is to be designed for a sad casting mould. The size of steel casting, is 7.5 cm × 12.5cm × 2cm. The previous operation have indicated that the total soliditication time for casting is 96 second. The cylindrical riser have (d/n)=1. find the size of riser so that the total soliditication time is 120 seconds.
10 M
2 (b)
Discuss resistance welding process with its applications.
5 M
2 (c)
Differentiate open die forging and closed die forging.
5 M
3 (a)
Discuss the various defects in rolled parts.
10 M
3 (b)
Discuss riveted joints state their advantages over other joints.
5 M
3 (c)
Explain submerged are welding with its applications.
5 M
4 (a)
Explain the stepwise procedure of powder metallurgy in detail.
10 M
4 (b)
Explain the Rotational moulding with its advantages and applications.
5 M
4 (c)
Explain die penetrant testing method of NDT.
5 M
5 (a)
Explain the screw type injection moulding with neat sketch. Discuss its advantages, limitations and applications.
10 M
5 (b)
What is powder metallurgy ? Discuss its advantages, applications and limitations.
5 M
5 (c)
Explain with neat sketches different types of flames generated in gas welding?
5 M
Write short note on (any four) -
6 (a)
Pattern materials
5 M
6 (b)
Welding defects
5 M
6 (c)
Ultrasonic testing
5 M
6 (d)
CO2 Welding
5 M
6 (e)
Thread Rolling
5 M
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