Material Science in Metallurgy MCQ Questions and Answers | Metallurgical Engineering

A. P-3, Q-1, R-4, S-2

B. P-3, Q-4, R-1, S-2

C. P-4, Q-1, R-2, S-3

D. P-4, Q-3, R-1, S-2

A. phosphorous

B. nitrogen

C. carbon

D. boron

A. Anodising

B. Carburising

C. Ion nitriding

D. Shot peening

A. toughness

B. stiffness

C. hardness

D. strength

E. electrical conductivity

A. increasing the bulkness of side groups

B. .increasing the cross-link density

C. addition of plasticizers

D. annealing

A. decreases solute diffusivity

B. enhances the mobility of grain boundary

C. increases solute segregation to the grain boundary

D. are effective in limiting grain growth

A. Al-based alloys

B. Cu-based alloys

C. Ni-based alloys

D. Mg-based alloys

A. P-4, Q-1, R-5, S-3

B. P-S, Q-1, R-4, S-2

C. P-4, Q-2, R-6, S-3

D. P-2, Q-3, R-5, S-6

A. reduces the upper shelf energy

B. increases the ductility transition temperature

C. decreases brittleness

D. decreases hardness

A. is cheap

B. imparts solid solution strengthening

C. lowers density and contributes to agehardening

D. improves the corrosion resistance of aluminium