General Studies · Welding
Which of the following types of welding power source is primarily preferred for welding non-ferrous metals like aluminum and copper?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Both AC and DC standard transformers equally
- 2High voltage AC welding transformer
- 3AC welding power source
- 4DC welding power source✓
Correct answer
DC welding power source
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