1000+ Basic Mechanical Engineering Questions and Answers - 2

Question: 6

Silicon steel is widely used in

(A) automobile industry

(B) channel and other section for structural fabrications

(C) electrical industry

(D) RCC work

Question: 7

Laser is a device to produce

(A) microwaves

(B) coherent light

(C) beam of monochromatic light

(D) beam of white light

Question: 8

Materials which lack permanent magnetic dipoles are called

(A) ferromagnetic

(B) diamagnetic

(C) semi-magnetic

(D) none of the above

Question: 9

Which of the following is a fuel used in fast reactors?

(A) zirconium

(B) heavy water

(C) plutonium

(D) chromium

Question: 10

Iron alloyed with carbon more than 2% is called

(A) carbon steel

(B) cast iron

(C) high carbon steel

(D) mild steel