Power Systems Offset mho relay is used for the protection of equipment when either 1 or 2 None of these failure of prime mover of the generator loss of excitation of the generator either 1 or 2 None of these failure of prime mover of the generator loss of excitation of the generator ANSWER DOWNLOAD EXAMIANS APP
Power Systems The charging current of a 400 kV line is more than that of a 220 kV line of the same length? False either 1 or 2 None of these True False either 1 or 2 None of these True ANSWER DOWNLOAD EXAMIANS APP
Power Systems In case of failure of prime mover of the generator, which type of relay is used? reverse power relay distance relays offset mho relay impedance relay reverse power relay distance relays offset mho relay impedance relay ANSWER DOWNLOAD EXAMIANS APP
Power Systems An hydro-graph indicates the average run off during the period. the discharge at any time during the period under consideration. the maximum and minimum run off during the period. All of these the average run off during the period. the discharge at any time during the period under consideration. the maximum and minimum run off during the period. All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems One million cubic meters of water is stored in a reservoir feeding a water turbine. The density of water is 993 kg/m³. If the centre of mass of water is 50 meters above the turbine and losses are negligible, the energy produced by that volume of water is 130.2 MWhr 120 MWhr 135.3 MWhr 140 MWhr 130.2 MWhr 120 MWhr 135.3 MWhr 140 MWhr ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 50 Hz, 17.32 kV generator is connected to a power system. The system reactance and capacitance per phase are 10 mH and 0.2 mF respectively. What is the maximum voltage across the contacts of the circuit breaker at an instant when it passes through zero? 28.28 kV 31.28 kV 29.28 kV 30.28 kV 28.28 kV 31.28 kV 29.28 kV 30.28 kV ANSWER DOWNLOAD EXAMIANS APP
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