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Welder
Welder Set-1
Gas Tungsten Arc welding
28

Gas Tungsten Arc welding MCQ with Answers

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

Oxygen

Helium

Acetylene

Hydrogen

Answer is:

Hydrogen

Gas Tungsten Arc welding MCQ with Answers

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Related Gas Tungsten Arc welding MCQ with Answers

29) How much temperature GTAW process can produce?

3000 Degree F

3500 Degree F

4000 Degree F

4500 Degree F

Answer is:

3000 Degree F

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

Cable current

By Torch

By tube

By electrode

Answer is:

Cable current

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

Argon gas

Oxygen gas

Fuel gas

Active gas

Answer is:

Argon gas

32) 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

Answer is:

Improves heat transfer

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