7000+ Mechanical Metallurgy Interview Questions Pdf - 1

Question: 1

_____ rolls are used in two high reversing mill.

(A) Two horizontal

(B) Two vertical

(C) Four horizontal

(D) Four vertical

Question: 2

Which of the following deforms by twinning?

(A) Iron

(B) Tin

(C) Zinc

(D) All a, b and c

Question: 3

In hot rolling of metal

(A) Annealing operation is a must

(B) Grain refinement is not possible

(C) Surface finish is not very good

(D) Electrical power requirement is very high

Question: 4

Cold working of a metal

(A) Does not cause work hardening

(B) Is carried out above its recrystallisation temperature

(C) Results in strain hardening

(D) is always carried out at room temperature for all the metals

Question: 5

Which of the following is a direct compression process?

(A) Forging

(B) Stretch forming

(C) Extrusion

(D) Bending