Welding MCQ with Answers

Welding MCQ with Answers

16) Which valve is closed first while extinguishing flame in gas welding process?

Answer is:

Acetylene

Explanation:

In oxy acetylene welding Acetylene gas is closed first to avoid back fire.

Which valve is closed first while extinguishing flame in gas welding process?

17) What is applied to find the leakage on acetylene gas connection?

Answer is:

Soap bubbles

18) Which component secures the hose with regulator union in gas welding set?

Answer is:

Hose clamp

19) How the cylinders of gas welding set are secured in trolley?

Answer is:

Using chain

20) Which is adjusted to the size of electrode in welding process?

Answer is:

Ampere

Which is adjusted to the size of electrode in welding process?

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