ExamVeda
Login
Home

In welding magnesium with TIG arc welding direct current with is...

This question belongs to Mechanical Engineering Workshop Technology
Workshop Technology
?

In welding magnesium with TIG arc welding, direct current with ________ is used.

Answer & Solution
Correct Answer: Option B
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.
Examveda
Question posted by Examveda
Community

Join the Discussion

3 Comments
Vimal Raj
Vimal Raj 6 years ago
Answer should be a
Kudligi Sadgurunath
Kudligi Sadgurunath 7 years ago
In general AC Power source is used for Magnesium. I think answer is d
Mehul Rabari
Mehul Rabari 8 years ago
in straight polarity wp table is positive and electrode holder is negative
Keep Learning

Related Questions on Workshop Technology

The brass and bronze are welded by _________ flame.
A. Neutral B. Oxidizing C. Carburising D. All of these
A gimlet is a ________ tool.
A. Boring B. Marking C. Cutting D. None of these
In TIG arc welding, the welding zone is shielded by an atmosphere of
A. Helium gas B. Argon gas C. Either (A) or (B) D. None of these
In sheet metal blanking, shear is provided on punches and dies so that
A. Press load is reduced B. Good cut edge is obtained C. Warping of sheet is minimized D. Cut blanks is straight
More Related Questions on Workshop Technology