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Sheet Metal Worker
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Welding - 3. Arc and Resistance Welding
8

Welding - 3. Arc and Resistance Welding MCQ with Answers

8) Which Gas is used in Co₂ Welding?

Oxygen

Argon

Carbon dioxide

Helium

Answer is:

Carbon dioxide

Welding - 3. Arc and Resistance Welding MCQ with Answers

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Related Welding - 3. Arc and Resistance Welding MCQ with Answers

9) Which is the welding process welding job remains out of the welding circuit?

Atomic hydrogen Arc welding

Carbon Arc welding

Resistance welding

TIG welding

Answer is:

Atomic hydrogen Arc welding

10) Which is the feature of AC welding transformer?

Reduces the main supply voltage

Increase the main supply voltage

Convert DC into AC

Convert AC into DC

Answer is:

Reduces the main supply voltage

11) Which is the working principle of AC welding transformer?

External Induction

Mutual Induction

Core Induction

Mutual Reduction

Answer is:

Mutual Induction

12) Which is a disadvantage of AC welding?

Less initial cost

Less maintenance cost

Not suitable for welding of Non-ferrous metals

Freedom from Arc blow

Answer is:

Not suitable for welding of Non-ferrous metals

Welding - 3. Arc and Resistance Welding MCQ with Answers

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