General Studies · Welding
In arc welding, the optimum arc length is approximately equal to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Half the diameter of the electrode rod
- 2The core wire diameter of the electrode✓
- 32.5 times the electrode rod diameter
- 4Twice the electrode rod diameter
Correct answer
The core wire diameter of the electrode
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