M

Mr. Dubey • 100.64K Points
Coach

Q. Which of the following gases are used in Tungsten inert gas welding?

  • (A) helium and neon
  • (B) hydrogen and oxygen
  • (C) argon and helium
  • (D) carbon dioxide and hydrogen
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Explanation by: Mr. Dubey
in the tig welding process the arc is formed between a pointed tungsten electrode and the workpiece in an inert atmosphere of argon or helium.

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