What is the meaning of straight polarity in arc welding?
A. the condition when the electrode is positive and the base metal or work is positive.
B. the condition when the electrode is earthed and the base metal or work is positive.
C. the condition when the electrode is positive and the base metal or work is earthed.
D. the condition when the electrode is negative and the base metal or work is positive.
Answer:D
What is the meaning of straight polarity in arc welding?
A. the condition when the electrode is positive and the base metal or work is positive. B. the condition when the electrode is earthed and the base metal or work is positive. C. the condition when the electrode is positive and the base metal or work is earthed. D. the condition when the electrode is negative and the base metal or work is positive.