STUPIDSID
Write a short note any four Q1.(a,b,c,d,e)
1(a)
Rotating beam fatigue testing machine
5 M
1(b)
Effect of alloying elements on phase transformation
5 M
1(c)
Strain hardening
5 M
1(d)
Subzero treatment
5 M
1(e)
Nano Materials
5 M
2(a)
Derive an expression for critical resolved shear stress. Explain "slip Mechanism" and " twinning mechanism" of plastic deformation
8 M
2(b)
Defien creep. Explain stages of creep.
6 M
2(c)
Write short note on Transformed Lediburite.
6 M
3(a)
Derive an expression for Griffith theory of brittle fracture. Also state Orowan's modifiaction.
8 M
3(b)
Draw Fe-Fe3C Diagram and explain cooling of 1.0% C alloy in Fe-Fe3C diagram.
12 M
4(a)
Draw and explain construction of Time Temperature Transformation (TTT) diagrams of 0.8% carbon alloy.
10 M
4(b)
What is case hardening? Discuss the process of Nitriding and Cyaniding in detail.
10 M
5(a)
What is recrystallization annealing? Discuss the various stages of recrystallization annealing. What are factor affecting it?
8 M
5(b)
What are stainless steels? Classify stainless steels. Discuss and mention their applications.
6 M
5(c)
What are Nano Composites? Give applications of Nano Composites.
6 M
Write a short note any four Q6.(a,b,c,d,e)
6(a)
Chromising
5 M
6(b)
Bergervector
5 M
6(c)
Retained austenite
5 M
6(d)
Solid solution
5 M
6(e)
Frank reed source
5 M
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