Welder Red Seal · Question
Which gas is commonly used as a shielding gas for GTAW of carbon steel?
Argon is a widely used inert gas, providing excellent arc stability and shielding for GTAW on various materials, including carbon steel, without reacting with t
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Question: Which gas is commonly used as a shielding gas for GTAW of carbon steel?
Answer options: ✅ Argon
- Carbon Dioxide
- Oxygen
- Nitrogen
Correct answer: Argon
Explanation: Argon is a widely used inert gas, providing excellent arc stability and shielding for GTAW on various materials, including carbon steel, without reacting with the weld metal.
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- A welder is fabricating a pressure vessel component using FCAW-G with an E70T-1 wire. The procedure specifies
- A welder is preparing to weld 20 mm (0.8 in) thick high-strength low-alloy (HSLA) steel using FCAW-G. The weld
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