7000+ Mechanical Metallurgy Question Paper with Answers Pdf - 2

Question: 6

Cold working of metals does not improve the

(A) Hardness

(B) Yield strength

(C) Residual stresses

(D) Izod value

Question: 7

The rate of reaction of a/an _____ reaction is not affected by temperature rise.

(A) Zero order

(B) Consecutive

(C) Photochemical

(D) Auto catalytic

Question: 8

In which of the following metal forming technology, the metal flow is at right angle to the direction of compressive force?

(A) Extrusion

(B) Cupping

(C) Shearing

(D) Forging

Question: 9

From among the following _____ steel possess the maximum ductility.

(A) Annealed

(B) Normalised

(C) Carburised

(D) Quenched

Question: 10

Good machinability is not associated with the

(A) Formation of rather small chips

(B) Medium degree of tool abrasion

(C) Removal of material with very high force

(D) Good surface finish