STUPIDSID
1 (a)
What do you mean by co-ordination number? With a neat figure, write 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) Engineering Stress of True stress ii) Engineering Strain and True strain. Derive the relation between Engineering Strain and True Strain.
8 M
2 (b)
Explain with neat sketches, plastic deformation by
i) Slip ii) Twinning.
i) Slip 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, δfe.
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.
i) Gray cast iron ii) Malleable cast iron.
10 M
7 (b)
Explain the Composition, Properties And Applications 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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