7000+ Physical Metallurgy MCQ Questions and Answers - 2

Question: 6

_____ is not a heat treatment process.

(A) Austempering

(B) Martempering

(C) Cyaniding

(D) Parkerising

Question: 7

Which of the following exemplifies an age hardening alloy?

(A) Brass

(B) Duralumin

(C) Babbit metal

(D) Bronze

Question: 8

Each corner atom in a body centred cubic (b.c.c.) structure is shared by

(A) 2

(B) 4

(C) 8

(D) 12

Question: 9

Heat treatment of steel does not

(A) Remove undesirable residual stresses

(B) Alter the grain size

(C) Change its composition on the surface

(D) Change the percentage of carbon and silicon in the bulk

Question: 10

Which of the following elements in steel directly affects the critical temperature of the steel to be heat treated?

(A) Sulphur

(B) Phosphorous

(C) Carbon

(D) Manganese