STUPIDSID
1 (a)
With a neat flow diagram, explain the steps involved in metal casting process. Also write the advantages and limitations and applications of metal casting process.
12 M
1 (b)
What are pattern allowances? Classify and write a note on draft allowance and distortion allowance with figures.
8 M
2 (a)
Name the base sands used in metal casting and briefly discuss the requirement of base sand.
10 M
2 (b)
With a neat sketch, explain the working principle of Jolt & Squeeze moulding machine.
10 M
3 (a)
Briefly explain the characteristics features of FURAN and ALKYDE type no bake moulding process.
10 M
3 (b)
Name the centrifugal casting methods. With neat sketches explain the working of vertical and horizontal type true centrifugal casting process.
10 M
4 (a)
With a neat sketch explain the working principle of coreless induction furnace.
10 M
4 (b)
With a neat sketch explain the working principle of 3-phase electric arc furnace.
10 M
5 (a)
With a neat sketch explain the principle of Laser welding process. Mention its advantages, limitations and applications.
10 M
5 (b)
with a neat sketch explain the thermite welding process. Write the advantages and limitations.
10 M
6 (a)
With a neat sketch explain the working principle of oxy- acetylene gas welding. Also write the flame characteristics.
12 M
6 (b)
Explain Tungsten inert gas are welding process with figure. Mention its advantages.
8 M
7
Write short notes on the following:
a. HAZ in Welding
b. Shrinkage and residual stresses in welding
c. Welding defects and remedies
d. Electrodes.
a. HAZ in Welding
b. Shrinkage and residual stresses in welding
c. Welding defects and remedies
d. Electrodes.
20 M
8 (a)
Distinguish between soldering and brazing. Also discuss briefly the furnace brazing process with figure.
10 M
8 (b)
With neat sketches, explain the following types of non-destructive methods of inspection of casting and welding:
i) Eddy current testing ii) Acoustic emission monitoring.
i) Eddy current testing ii) Acoustic emission monitoring.
10 M
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