STUPIDSID
1 (a)
What do you mean by co-ordination number? With a neat figure, Co-ordinations
number for HCP structures
4 M
1 (b)
What is Crystal Imperfections? With a neat sketches, explain line defects and surface
defects
12 M
1 (c)
Explain briefly, Factors affecting diffusion.
4 M
2 (a)
Differentiate between i) Engg. Stress of True stress ii) Engg. Strain and True strain.
Derive the relation between Engg. Strain and True Strain
8 M
2 (b)
Explain with neat sketches, plastic deformation by i) .Slip and ii) Twinning
8 M
2 (c)
Draw the stress - strain curve for a ductile material and explain the important points on the curve.
4 M
3 (a)
What do you mean by Type - I, Type-II and Type - III fractures? Explain with neat sketches
6 M
3 (b)
What is Creep? Explain creep curve,with neat sketch
8 M
3 (c)
Explain with neat sketches,Typical fatigue stress cycles (Fatigue Loading).
6 M
4 (a)
Explain with neat sketch, the mechanism of solidification
5 M
4 (b)
What is Homogeneous Nucleation? With a neat sketch, derive the relation for free energy charge Δ fe
10 M
4 (c)
Explain Hume-Rothary Rules for formation of solid solutions.
5 M
5 (a)
Explain briefly the construction of phase diagram using cooling curve, with a neat sketch.
5 M
5 (b)
Name the different types of phase diagrams. Explain with a neat sketch solid solution phase diagram (Complete solubility).
10 M
5 (c)
Draw the Iron - Carbon Equilibrium diagram and label all the phases
5 M
6 (a)
What do you mean by T - T - T curves? Explain with neat sketches, the construction of TTT curves for plain carbon steel
10 M
6 (b)
Explain with neat sketch, Pack carburizing
5 M
6 (c)
Explain with neat sketch, Flame Hardening
5 M
7 (a)
Explain the Composition, Properties and Applications of i) Gray cast iron ii) Malleable
cast iron
10 M
7 (b)
Explain the Composition, Properties and Application of
i) Aluminium - Copper Alloys ii) Aluminium - Zinc Alloys.
i) Aluminium - Copper Alloys ii) Aluminium - Zinc Alloys.
10 M
8 (a)
Define the Composite material. Explain the different types of Matrix Materials and Types of Reinforcements.
10 M
8 (b)
Explain with a neat sketch, the 'Pultrusion' process for producing FRP's
6 M
8 (c)
Give the Advantages and Applications of composites
4 M
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