STUPIDSID
Solve any one question from Q.1(a,b,c) & Q.2(a,b,c)
1(a)
Show the following planes on a cubic cell (222), (110).
4 M
1(b)
Define the following:
i) Co-ordination number
ii) Hot working.
i) Co-ordination number
ii) Hot working.
4 M
1(c)
Material like A1 shows more plastic deformation by the slip mechanism than twinning. Explain in detail.
4 M
2(a)
No. of atoms per unit cell in FCC metal is 4 explain with mathematcial proof.
3 M
Solve any one question.Q3(a,b) Q4(a,b)
2(b)
What is Polymer and how its molecular structure is different than metals? Explain.
3 M
2(c)
What do you understand by crystal imperfection? Explain the Edge discolation with a neat diagram.
6 M
Solve any one question from Q.3(a,b) & Q.4(a,b,c,d)
3(a)
Compare and contrast between:
i) Dye penetrant test and Ultrasonic test
ii) Brinell harness tester and Rockwall hardness tester.
i) Dye penetrant test and Ultrasonic test
ii) Brinell harness tester and Rockwall hardness tester.
6 M
3(b)
One Assembly is made with nuts and bolts used for joining them. Where the probability of corrosion is more> Which type of corrosion is probable in this type of corrosion is probable in this type? Explain can it be avoided.
7 M
4(a)
Draw the self-explanatory diagram for the following:
i) Stress-strain diagram for Cast Iron
ii) S-N diagram for Cu.
i) Stress-strain diagram for Cast Iron
ii) S-N diagram for Cu.
4 M
4(b)
For checking internal defects in brass component which NDT methods are used, justify your answer.
3 M
4(c)
Pitting corrosion is most dangerous amongst all types of corrosion do you agree with this statement? Justify your answer.
4 M
4(d)
In Anodic and Cathodic Inhibitors which is more protective, explain.
2 M
Solve any one question from Q.5(a,b) & Q.6
5(a)
Explain with neat diagram physical vapor deposition. State its advantages, disadvantages and applications over other processes.
6 M
5(b)
What are different characteristics of surface improvements? Explain in brief.
6 M
Write short notes any three question from Q.6(a, b, c, d)
6(a)
Anodising
4 M
6(b)
Electroplating
4 M
6(c)
Ion implantation
4 M
6(d)
CVD.
4 M
Solve any one question from Q.7(a,b) & Q.8(a, b,c)
7(a)
What is the best suitable process for manufacturing of oil impregnated bearings? Explain its advantages over other manufacturing processes.
7 M
7(b)
Explain importance of sintering with its different stages to get required strength to green compact.
6 M
8(a)
Define the following:
i) Green Spring
ii) Tap density.
i) Green Spring
ii) Tap density.
4 M
8(b)
Write flow-chart of production of Tungsten cemented carbide tool.
3 M
8(c)
What are the different techniques used for compaction? Explain Isostatic compaction in detail.
6 M
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