WELDING - Practice Mode

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

Acetylene Hydrogen Oxygen Air

Correct Answer: Acetylene

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

Soap bubbles Halide torch LPG torch By smell

Correct Answer: Soap bubbles

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

Steel wire Hose clamp Fibre clip Iron chain

Correct Answer: Hose clamp

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

By cable Using chain Tightened with rope Tied up with belt

Correct Answer: Using chain

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

Conductor Thickness Length Ampere

Correct Answer: Ampere

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