railway RRB JE (CBT I + CBT II) Mock Test 2024 Production Engineering (Manufacturing) Joining Welding
A DC welding power source has a linear voltage-Current (V-I) characteristic with an open-circuit voltage of 80 Volt and a short circuit current of 300 A. For maximum arc power, the Current (in Amperes) should be set as
1
1200 A
2
150 A
3
1500 A
4
120 A