WELDING - Quiz

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

Acetylene Hydrogen Oxygen Air

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

Soap bubbles Halide torch LPG torch By smell

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

Steel wire Hose clamp Fibre clip Iron chain

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

By cable Using chain Tightened with rope Tied up with belt

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

Conductor Thickness Length Ampere