railway RRB JE (CBT I + CBT II) Mock Test 2024 Network Theory Sinusoidal Steady State Analysis Power Factors
Two alternators operate in parallel to supply the following loads:
(i) 250 kW at 0.8 p.f. lagging
(ii) 300 kW at 0.6 p.f. leading
If one machine is supplying 200 kW at 0.9 p.f. lagging, then p.f. of another machine will be
1
0.75 lagging
2
0.85 leading
3
0.75 leading
4
0.85 lagging