

MCQOPTIONS
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1. |
Which current is used in Tungsten Inert-Gas (TIG) welding? |
A. | Only A.C. can be used as welding current |
B. | Only D.C. can be used as welding current |
C. | Both A.C. and D.C. can be used as welding current |
D. | None of the above |
Answer» D. None of the above | |