7000+ Welding Metallurgy MCQ Questions and Answers - 1

Question: 1

Which of the following is a solid state joining process?

(A) submerged arc welding

(B) friction welding

(C) resistance spot welding

(D) gas tungsten arc welding

Question: 2

The type of welding normally used in automobile body work is _____ welding.

(A) arc

(B) spot

(C) gas

(D) seam

Question: 3

Carbon arc welding is

(A) cheaper than gas welding

(B) useful for thinner materials

(C) most suitable for welding stainless steel without flux

(D) useful for thinner materials

Question: 4

Both preheating and post heating is essential in welding

(A) high carbon steel

(B) low carbon steel

(C) medium carbon steel

(D) nickel

Question: 5

Welding of _____ essentially requires preheating.

(A) aluminium

(B) stainless steel

(C) high speed steel

(D) cast iron