1000+ Materials of Construction Objective Questions & Answers Pdf - 2

Question: 6

Which of the following is called ferrite former?

(A) chromium

(B) molybdenum

(C) niobium

(D) nickel

Question: 7

Iron rust is

(A) ferric sulphide

(B) powdered iron

(C) hydrated ferric oxide

(D) ferrous oxide

Question: 8

Mild steel storage vessels are suitable for the storage of

(A) sulphuric acid (25%)

(B) hydrochloric acid (95%)

(C) fatty acids

(D) anhydrous ammonia

Question: 9

Which of the following performs best under reducing conditions?

(A) copper base alloys

(B) titanium

(C) aluminium

(D) stainless steel

Question: 10

Brittle materials are

(A) strong in tension as well as in compression

(B) weak in tension as well as in compression

(C) strong in tension but weak in compression

(D) weak in tension but strong in compression