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MRAC Set-1
Welding
15

Welding MCQ with Answers

15) What is the ratio of oxygen to acetylene in neutral flame for brazing?

1:3

2:1

1:1

1:2

Answer is:

1:1

Welding MCQ with Answers

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Related Welding MCQ with Answers

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

Acetylene

Hydrogen

Oxygen

Air

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?

Soap bubbles

Halide torch

LPG torch

By smell

Answer is:

Soap bubbles

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

Steel wire

Hose clamp

Fibre clip

Iron chain

Answer is:

Hose clamp

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

By cable

Using chain

Tightened with rope

Tied up with belt

Answer is:

Using chain

Welding MCQ with Answers

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