General Studies · Welding Technology
What is the main purpose of the coating on a consumable electrode in arc welding?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To increase the temperature of the arc
- 2To protect the weld pool from atmospheric contamination✓
- 3To improve the appearance of the weld
- 4To enhance the colour of the flame
Correct answer
To protect the weld pool from atmospheric contamination
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