1000+ Production Engineering MCQ Questions and Answers - 2

Question: 6

Refractory metals are

(A) those do not melt in a normal furnace

(B) those which have melting point above 1950°c

(C) those which absorb heat

(D) those which reflect heat

Question: 7

Which of the following metal is best suited for electro forming?

(A) aluminium

(B) zinc

(C) silver

(D) lead

Question: 8

Carbon content of grey iron is about

(A) 0.5%

(B) 2%

(C) 3%

(D) 4%

Question: 9

Which one of the following materials will have lowest cutting speed?

(A) aluminium

(B) brass

(C) cast iron

(D) tool steel

Question: 10

Cold heading is a process of

(A) electro machining process

(B) explosive forming

(C) high energy rate forming

(D) pneumatic mechanical forming