In welding copper alloys with TIG arc welding Options: A . &nbspdirect current with straight polarity is used B . &nbspdirect current with reversed polarity is used C . &nbspalternating current is used D . &nbspany one of these

Question

In welding copper alloys with TIG arc welding

Options:

A . direct current with straight polarity is used

B . direct current with reversed polarity is used

C . alternating current is used

D . any one of these

Answer: Option A

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