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Pipefitter Star Exam Study Guide Questions And Answers Verified 100% Correct
Pipefitter Star Exam Study Guide 
Questions And Answers Verified 100% 
Correct 
Current polarity becomes an important factor with _______ power sources. - 
ANSWER -All DC 
DCRP is produced when the electrode is connected to the positive terminal of the 
welding power source. - ANSWER -True 
In a constant current welding power source, the welding current remains relatively 
constant despite considerable changes in __________? - ANSWER -Arc length 
A metal which has a high iron content is...