Mechanical Engineering - Workshop Technology - Discussion
Discussion Forum : Workshop Technology - Section 3 (Q.No. 5)
5.
In welding magnesium with TIG arc welding, direct current with __________ is used.
Discussion:
12 comments Page 2 of 2.
Sambhu jana said:
7 years ago
Reverse polarity is the right answer.
Jeeva said:
6 years ago
TIG - Straight polarity, AC & DC can be used.
MIG - Only DC with reverse polarity.
MIG - Only DC with reverse polarity.
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