engineering recuitment NHPC JE & THDC JE 2023 Mock Test Utilization of Electrical Energy Welding

Which of the following statement is true for DC Straight Polarity (DCSP) in welding?

1
Both electrode as well as workpiece are made negative
2
Both electrode as well as workpiece are made positive
3
Electrode is made negative and workpiece positive
4
Electrode is made positive and workpiece negative
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