SC Pressure And Process Piping Practice Questions - South Carolina Pressure And Process Piping Contractor Examination Exam

Which polarity is normally used for E6010 open-root SMAW on carbon-steel pipe?

DCEN (electrode negative, straight polarity) DCEP (electrode positive, reverse polarity) AC only, with no DC option Three-phase AC from a mill motor

Correct Answer:

DCEP (electrode positive, reverse polarity)

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