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Welder
Welder Set-1
Gas Tungsten Arc welding
48

Gas Tungsten Arc welding MCQ with Answers

48) What is the defect caused by high current in TIG welding?

Crack

Porosity

Under cut

Lack of penetration

Answer is:

Under cut

Gas Tungsten Arc welding MCQ with Answers

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Related Gas Tungsten Arc welding MCQ with Answers

49) What is the defect while TIG welding if the current is too low?

Crack

Porosity

Under cut

Lack of fusion

Answer is:

Lack of fusion

50) What is right about DCRP electrode TIG welding ?

Improper tungsten size

Improper shielding gas flow

Improperly prepared tungsten

Weld circuit polarity is incorrect

Answer is:

Weld circuit polarity is incorrect

51) What is the cause for poor weld bead colour in TIG welding process?

Too much arc length

Excessive heating in torch

Tungsten melting into weld puddle

Contaminated or improper filler metal

Answer is:

Contaminated or improper filler metal

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