7000+ Material Science and Metallurgy MCQ Pdf - 1

Question: 1

Which of the following metals does not form an amalgam?

(A) Iron

(B) Zinc

(C) Silver

(D) Cobalt

Question: 2

Iron rust is

(A) Hydrated ferric oxide

(B) Powdered iron

(C) Ferric sulphide

(D) Ferrous oxide

Question: 3

Solder is an alloy comprising of

(A) Tin and lead

(B) Tin and copper

(C) Lead and copper

(D) None of these

Question: 4

Which of the following materials is the best in handling hydrochloric acid as well as caustic soda solution of all concentrations and at temperature up to boiling point?

(A) Tantalum

(B) Titanium

(C) Zirconium

(D) Lead

Question: 5

In hot wire anemometer used for gas flow measurement, the wire is normally made of

(A) Platinum

(B) Constantan

(C) Chromium

(D) Copper