Bissoy.com
Doctors Medicines MCQs Q&A

  1. Straight polarity
  2. Reversed polarity
  3. Both (A) and (B)
  4. None of these
11 views

1 Answers

Answer: Option 2

In welding magnesium with TIG arc welding, direct current with Reversed polarity is used The preferred polarity of the GTAW system depends largely on the type of metal being welded.

11 views

Related Questions