railway RRB JE (CBT I + CBT II) Mock Test 2024 Production Engineering (Manufacturing) Joining Welding
MIG welding uses: (i) Consumable electrode (ii) Non-consumable electrode (iii) DC supply (iv) AC supply
1
(ii) and (iv)
2
(ii) and (iii)
3
(i) and (iv)
4
(i) and (iii)