engineering recuitment NMDC Junior Officer (Trainee) Mock Test 2024 Utilization of Electrical Energy Welding
A single-phase AC arc welding transformer supplies approximately
1
100 volts at 0.35 power factor
2
60 volts at 0.35 power factor
3
220 volts at 0.8 power factor
4
100 volts at 0.6 power factor