7000+ Welding Defects MCQs With Answers Pdf - 2

Question: 6

TIG welding is the most suitable for welding.

(A) Silver

(B) Mild steel

(C) Stainless steel

(D) Aluminium

Question: 7

Which is used in brazing?

(A) Copper rod

(B) Solder

(C) Gas rod

(D) Spelter

Question: 8

Tip of electrodes used in spot welding are made of

(A) Aluminium

(B) Soft solder

(C) Copper

(D) Mild steel

Question: 9

Oxygen to acetylene ratio in neutral flame is

(A) 1 : 1

(B) 1 : 5

(C) 1 : 15

(D) 1 : 0.8

Question: 10

Which type of SMAW welding machine offers both AC and DC current when welding?

(A) Transformer

(B) Transformer/rectifier

(C) Generator

(D) Plasma arc