In welding magnesium with TIG arc welding, direct current with ________ is used.
A. Straight polarity
B. Reversed polarity
C. Both (A) and (B)
D. None of these
Answer: Option B
Solution (By Examveda Team)
In welding magnesium with TIG arc welding, direct current with Reversed polarity is usedThe preferred polarity of the GTAW system depends largely on the type of metal being welded.
This Question Belongs to Mechanical Engineering >> Workshop Technology
Answer should be a
In general AC Power source is used for Magnesium. I think answer is d
in straight polarity wp table is positive and electrode holder is negative