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Q. |
Which of the following gas welding process uses constant voltage? |
A. | submerged arc welding |
B. | tungsten inert gas welding |
C. | stud welding |
D. | gas metal arc welding |
Answer» D. gas metal arc welding | |
Explanation: gas metal arc welding uses constant voltage. tungsten inert gas welding does not use constant circuit voltage. |
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