1000+ Materials Science MCQ Questions and Answers Pdf - 2

Question: 6

Which of the following contains silicon?

(A) brass

(B) glass

(C) solder

(D) polyethylene

Question: 7

A magnetic needle is kept in a non uniform magnetic field. It experiences

(A) a torque but not a force

(B) a force but not a torque

(C) a force and a torque

(D) neither a force nor a torque

Question: 8

The molecular formula for heavy water is

(A) D₂O

(B) H₂O₂

(C) H₃O₂

(D) H₃O

Question: 9

For surface hardening of steels, which heating process is preferred?

(A) arc heating

(B) induction heating

(C) infrared heating

(D) resistance heating

Question: 10

Material generally used for bus-bars is

(A) aluminium

(B) steel

(C) tungsten

(D) copper