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Mechanical Engineering · Q118

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Engineering and GATE · Mechanical Engineering · question 118

Q118

The welding set up is said to have straight polarity, when

A.
Work is connected to the positive terminal and the electrode holder to the negative terminal
Answer
B.
Work is connected to the negative terminal and the electrode holder to the positive terminal
C.
Work is connected to the positive terminal and the electrode holder is earthed
D.
Work is connected to the negative terminal and the electrode holder is earthed

Answer: Option A

Solution

Answer: Option A
Solution:
The welding set up is said to have straight polarity, when Work is connected to the positive terminal and the electrode holder to the negative terminal