7000+ Metallurgy Multiple Choice Questions and Answers - 1

Question: 1

Which of the following is characterised as a heavy metal?

(A) Magnesium

(B) Lithium

(C) Nickel

(D) Platinum

Question: 2

Which among the following materials of construction has the highest resistance to atmospheric air corrosion?

(A) Aluminum

(B) Copper

(C) Low carbon steel

(D) Cast iron

Question: 3

________ is essentially added to steel in order to inhibit grain growth in austenite during its heat treatment.

(A) Aluminium

(B) Copper

(C) Tin

(D) Manganese

Question: 4

Which among the following materials of construction has the highest resistance to atmospheric air corrosion?

(A) Aluminum

(B) Copper

(C) Cast iron

(D) Low carbon steel

Question: 5

The element responsible for the presence of free graphite in cast iron is

(A) Manganese

(B) Phosphorous

(C) Sulphur

(D) Silicon