Power Systems In a three-phase system, when the loads are perfectly balanced, the neutral current is one - third of minimum. one - third of maximum. zero. two - thirds of maximum. one - third of minimum. one - third of maximum. zero. two - thirds of maximum. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following circuit breakers produce least arc energy? Air break CB. Plain oil CB. Air blast CB. Minimum oil CB. Air break CB. Plain oil CB. Air blast CB. Minimum oil CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Offset mho relay is used for the protection of equipment when loss of excitation of the generator failure of prime mover of the generator None of these either 1 or 2 loss of excitation of the generator failure of prime mover of the generator None of these either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The power output of a nuclear power station is proportional to square of the rate at which fission reaction occurs. none of above. the rate at which fission reaction occurs. square root of the rate at which fission reaction occurs. square of the rate at which fission reaction occurs. none of above. the rate at which fission reaction occurs. square root of the rate at which fission reaction occurs. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the incident current? 250 A 2500 A 200 A 100 A 250 A 2500 A 200 A 100 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems The corona loss on a particular system at 50 Hz is 1 kW/km per phase. What is the corona loss at 60 Hz in kW/km per phase? 1 1.25 0.89 1.13 1 1.25 0.89 1.13 ANSWER DOWNLOAD EXAMIANS APP