7000+ Welding Metallurgy MCQ Questions and Answers - 2
Question: 6
Thermit welding is a form of _____ welding.
(A) resistance
(B) fusion
(C) arc
(D) gas
Ans: B
fusion
Question: 7
Round bars are joined by _____ welding process.
(A) seam
(B) spot
(C) projection
(D) none of these
Ans: A
seam
Question: 8
Plasma is a type of ionised gas. In plasma arc welding process, shielding gas used is
(A) carbon monoxide
(B) carbon dioxide
(C) oxygen
(D) argon
Ans: D
argon
Question: 9
Electrode is consumed in the _____ welding.
(A) arc
(B) gas
(C) tungsten inert gas
(D) thermit
Ans: A
arc
Question: 10
Metals like copper and brass are welded using ____ flame.
(A) oxidising
(B) neutral
(C) carburising
(D) none of these
Ans: A
oxidising
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