railway RRB JE (CBT I + CBT II) Mock Test 2024 Production Engineering (Manufacturing) Joining Welding
The amount of current necessary in resistance welding is of the order of:
1
1 - 2 KVA/cm2
2
2.5 - 4.0 KVA/cm2
3
4.5 - 6.2 KVA/cm2
4
6.5 - 7.9 KVA/cm2