Red Seal Welding Practice Exam 2025 - Free Welding Practice Questions and Study Guide

Question: 1 / 400

PAC uses what mode of process operation?

Non-transferred arc

Transferred arc

PAC, or Plasma Arc Cutting, uses a transferred arc process operation. This means that the electrode is in direct contact with the metal being cut and the plasma arc is formed between the electrode and the workpiece. Option A, Non-transferred arc, is incorrect because in this mode, the plasma arc is not transferred directly to the workpiece and instead comes into contact with a secondary gas or liquid. Option C, Continuous wave, is incorrect because this refers to a mode of laser operation, not plasma arc cutting. Option D, Pulsed, is also incorrect as this refers to a mode where the power of the plasma arc is delivered in pulses, rather than a continuous stream.

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Continuous wave

Pulsed

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