WELDING - Practice Mode

1) Which arc welding machine provides better heat distribution in the electrode and job?

Rectifier set Motor generator set Welding transformer Engine generator set

Correct Answer: Rectifier set

2) What is the colour painted on the acetylene gas cylinders?

Black Green Blue Maroon

Correct Answer: Maroon

3) What is the angle to be maintained in the blow pipe and filler rod in the left ward welding technic?

60 Degree and 30 Degree 50 Degree and 40 Degree 30 Degree and 50 Degree 60 Degree and 40 Degree

Correct Answer: 60 Degree and 30 Degree

4) Which factor determine the current setting during welding?

Types of joint Position of weld Length of electrode Diameter of electrode

Correct Answer: Diameter of electrode

5) What is the OCV for welding in step-down transformer which reduces the main supply voltage (220 or 440 volts)?

40 and 100 volt 50 and 100 volt 30 and 20 volt 20 and 25 volt

Correct Answer: 40 and 100 volt

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