General Studies · Production Engineering
In arc welding, an electric arc is generated by:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1touching and then separating the electrode from the workpiece✓
- 2using high-frequency sound waves to ionize air
- 3connecting both electrode and workpiece to the same terminal
- 4heating the electrode with a gas flame
Correct answer
touching and then separating the electrode from the workpiece
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