What type of fusion welding process is used for welding sheet metals of all engineering metals (except Cu, Ag) in automobile and air craft industries, pipe and tubing production?

What type of fusion welding process is used for welding sheet metals

1.	What type of fusion welding process is used for welding sheet metals of all engineering metals (except Cu, Ag) in automobile and air craft industries, pipe and tubing production?
A.	Thermit welding
B.	Electroslag welding
C.	Resistance welding
D.	Submerged arc Welding
Answer» D. Submerged arc Welding

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What type of fusion welding process is used for welding sheet metals of all engineering metals (except Cu, Ag) in automobile and air craft industries, pipe and tubing production?

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