Define:- (1) Material science (2) Metallurgy
[3 marks]Briefly explain Nano-materials with application.
[4 marks]Define: - (1) Ductility (2) Creep (3) Fatigue (4) Toughness (5) Dielectric strength (6) Superconductivity (7) strain.
[7 marks]Define unit cell and draw (1) (221) (2) (632)
[3 marks]Explain a Nucleation and growth in solidification of metals.
[4 marks]Explain microscopic examination of the material with its all steps.
[7 marks]Differentiate between edge dislocation and screw dislocation with sketch.
[7 marks]Define fracture and state the stages when fracture can take place.
[3 marks]State the difference between ductile and brittle failures.
[4 marks]State and derive an expression for Bragg’s law used in x-rays diffraction.
[7 marks]What is heat treatment of steel? What is its purpose?
[3 marks]What is coring? Why it is observed?
[4 marks]With neat sketch draw iron-carbon equilibrium diagram and explain briefly various micro constituents of the diagram.
[7 marks]Explain the importance of TTT diagram in heat treatment.
[3 marks]Give the comparison between annealing and normalizing.
[4 marks]Differentiate flame hardening and induction hardening process on the basis of parametric control, process features, operational safety and productivity.
[7 marks]Completely describe the “sintering process”.
[3 marks]Enlist methods of manufacturing metal powder. Discuss any one in detail.
[4 marks]State chief advantages, limitations and applications of powder metallurgy.
[7 marks]Write limitations of RT and UT.
[3 marks]Explain dye penetration testing.
[4 marks]What is nondestructive test? List various non destructive tests. Explain advantages and disadvantages of non-destructive tests.
[7 marks]Discuss applications of steels in engineering field.
[3 marks]Explain the mechanism of twinning with a neat sketch.
[4 marks]Explain jominy harden ability test with a neat sketch.
[7 marks]