What would be an acceptable shielding gas mixture of argon (Ar) and oxygen (O) for GMA welds?
A) Ar + 2% O2
B) Ar + 1% O2
C) Ar + 7% O2
D) Ar + 0% O2

Name: What would be an acceptable shielding gas mixture of argon (Ar) and oxygen (O) for GMA welds? A) Ar + 2% O2 B) Ar + 1% O2 C) Ar + 7% O2 D) Ar + 0% O2
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Question

​What would be an acceptable shielding gas mixture of argon (Ar) and oxygen (O) for GMA welds?
A) ​Ar + 2% O2
B) ​Ar + 1% O2
C) ​Ar + 7% O2
D) ​Ar + 0% O2

Quizplus · Accepted Answer

A mixture of argon with 2% oxygen is commonly used for GMA welding as it provides good arc stability and weld quality.

​What Would Be an Acceptable Shielding Gas Mixture of Argon

What Would Be an Acceptable Shielding Gas Mixture of Argon