WELDING - Practice Mode

1) Which is the welding machine designed to supply both A.C and D.C current for welding ferrous and non-ferrous metals using all types of electrode?

Rectifier set Transformer set Motor generator set Engine generator set

Correct Answer: Rectifier set

2) What is the name of distortion occurs in the weld direction?

Angular distortion Bending distortion Longitudinal distortion Transverse distortion

Correct Answer: Longitudinal distortion

3) What is the name of the the metal edge in an angle during welding and cutting operations?

Kerf Drag Bevel Gouging

Correct Answer: Bevel

4) Why the cylinder keys are not removed from the cylinder while welding?

To prevent gas leak To adjust the gas supply To open and close frequently To close quickly in case of fire

Correct Answer: To close quickly in case of fire

5) Which process blow out the cylinder valve socket before connecting the regulator?

Crackin Back fire Flash back Pressure testing

Correct Answer: Crackin

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