Physics · Engineering Physics
Which of the following is a characteristic effect of using pure argon as a shielding gas in Gas Metal Arc Welding (GMAW / MIG)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It completely prevents spray transfer of metal regardless of voltage levels
- 2It conducts heat rapidly from the arc zone, making it unsuitable for thin metal sheets
- 3It enhances arc concentration, reduces spatter, and enables stable penetration✓
- 4It increases spatter and requires higher arc voltages for ionization
Correct answer
It enhances arc concentration, reduces spatter, and enables stable penetration
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