GAS TUNGSTEN ARC WELDING - Quiz

1) How heat effected zone is covered and protected from atmospheric contaminations in GTAW?

Argon gas Oxygen gas Fuel gas Active gas

2) What is the use of a little hydrogen added to argon for welding of stainless steel in GTAW process?

Improcess heat Improves heat transfer Improves good welding Improves metal property

3) How molten metal is shielded from the atmospheric contamination as a blanket in GTAW?

By using inert gas By using fuel gas By using supportable gas By using fuel and supportable gas

4) How is the inert gas directed to flow over weld pool, in TIG welding?

Through copper nozzle Through brass nozzle Through ceramic nozzle Through metal nozzle

5) What is the name of the part of TIG torch for holding tungsten electrode?

Collet Adaptor Ceramic nozzle Electrode cap