General Studies · Welding Technology
Blowholes are welding defects primarily caused by __________.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1too great a heat concentration
- 2poor edge preparation
- 3trapped gases due to moisture or contaminants✓
- 4unsuitable parent metals used in the weld
Correct answer
trapped gases due to moisture or contaminants
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