WELDING TECHNIQUES - Practice Mode

1) Which type of transformer used in arc welding?

Step up Step down One - to - one Capable of increasing supply voltage

Correct Answer: Step down

2) Which position is advantageous for easy welding?

Flat Vertical Over head Horizontal

Correct Answer: Flat

3) Which one of the following is used to convert AC to DC supply in a welding machine?

Rectifier set Motor generator set Engine generator set Welding transformer

Correct Answer: Rectifier set

4) What is the metal used to make earth clamp in a welding machine?

Iron Brass Aluminium Copper alloy

Correct Answer: Copper alloy

5) How much current should be set, to weld a 10 mm thick plates, by arc welding?

70 Amps 80 Amps 90 Amps 110 Amps

Correct Answer: 110 Amps

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