7000+ Metallurgy Materials Science MCQ Questions and Answers - 2

Question: 6

Light weight metallic alloy used in aircraft industry is

(A) Duralumin

(B) High silicon iron

(C) Phosphor bronze

(D) Aluminium

Question: 7

A ferromagnetic substance at curie temperature changes to

(A) Insulator

(B) Diamagnetic

(C) Paramagnetic

(D) None of these

Question: 8

Bronze is an alloy of copper and

(A) Zinc

(B) Tin

(C) Lead

(D) Nickel

Question: 9

Among the tin containing alloys, ____ consumes the maximum amount of tin.

(A) Bronzes

(B) Pewter metal

(C) White metal

(D) Solder

Question: 10

With increase in carbon percentage, toughness of mild steel

(A) Increases

(B) Decreases

(C) Changes randomly

(D) Remains same