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Examveda

In TIG arc welding, the welding zone is shielded by an atmosphere of

A. Helium gas

B. Argon gas

C. Either (A) or (B)

D. None of these

Answer: Option C

Solution(By Examveda Team)

In TIG arc welding, The weld area and electrode is protected from oxidation or other atmospheric contamination by an inert shielding gas argon or helium

This Question Belongs to Mechanical Engineering >> Workshop Technology

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