Exam (elaborations)
Chapter 9 GTAW || with 100% Error-free Answers.
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True or False? Arc welding machines used for GTAW can be either AC and/or DC, but must supply a constant current. correct answers true In GTAW, a high frequency voltage is superimposed on the DC circuit for the purpose of ____ the arc. correct answers starting In a constant current volt-amper...
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