MCQOPTIONS
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| 1. |
What is the type of shielding gas for GTAW (Gas Tungsten Arc Welding) used for carbon steels only called? |
| A. | Argon H₂ |
| B. | Argon CO₂ |
| C. | Argon Helium |
| D. | Helium |
| Answer» C. Argon Helium | |