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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 used
The preferred polarity of the GTAW system depends largely on the type of metal being welded.

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Comments ( 3 )

  1. Vimal Raj
    Vimal Raj :
    3 years ago

    Answer should be a

  2. Kudligi Sadgurunath
    Kudligi Sadgurunath :
    3 years ago

    In general AC Power source is used for Magnesium. I think answer is d

  3. Mehul Rabari
    Mehul Rabari :
    4 years ago

    in straight polarity wp table is positive and electrode holder is negative

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