GAS TUNGSTEN ARC WELDING - Practice Mode

1) Which gas is inactive or deficient is active chemical properties in TIG welding?

Argon Oxygen Hydrogen Acetylene

Correct Answer: Argon

2) What is the purpose of inert gas used in TIG welding?

Contamination in the weld metal To protect the molten metal from the atmospheric contamination To stabilize the Arc To get more spatters

Correct Answer: To protect the molten metal from the atmospheric contamination

3) Which gas is used as inert gas in GTAW for increased speed?

Oxygen Helium Acetylene Hydrogen

Correct Answer: Hydrogen

4) How much temperature GTAW process can produce?

3000 Degree F 3500 Degree F 4000 Degree F 4500 Degree F

Correct Answer: 3000 Degree F

5) What is the main source of heat to the workpiece in TIG welding?

Cable current By Torch By tube By electrode

Correct Answer: Cable current

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