GAS TUNGSTEN ARC WELDING - Quiz

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

Argon Oxygen Hydrogen Acetylene

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

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

Oxygen Helium Acetylene Hydrogen

4) How much temperature GTAW process can produce?

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

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

Cable current By Torch By tube By electrode