GTAW NC II Practice Questions - TESDA Gas Tungsten Arc Welding (GTAW) NC II Competency Assessment Exam

Which shielding gas is specified in the TESDA GTAW NC II Training Regulations for GTAW on carbon steel?

Argon or other available inert gas 100% carbon dioxide Acetylene Propane

Correct Answer:

Argon or other available inert gas

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