Power Systems If the inertia constant H = 10 MJ/MVA for a 50 MVA generator, the stored energy is 50 MJ 10 MJ 5 MJ 500 MJ 50 MJ 10 MJ 5 MJ 500 MJ ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? Due to corona, power loss increases charging current increases interference increases All of these power loss increases charging current increases interference increases All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A coal fired steam power station working at a plant factor of 80% has one 500 MW generating unit. If the heat content of coal is 2 kWh/kg, the overall plant efficiency is 40% and a train load of coal is 2000 metric tons, then the number of trains required daily for the plant is 2 16 10 6 2 16 10 6 ANSWER DOWNLOAD EXAMIANS APP
Power Systems IF the time of operation of a relay for unity TMS is 10 sec then the time of operation for 0.5 TMS is 5 sec. none of these. 20 sec. 10 sec. 5 sec. none of these. 20 sec. 10 sec. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If all the sequence voltages at the fault point in a power system are equal, then the fault point is a LLL LLG LG LL LLL LLG LG LL ANSWER DOWNLOAD EXAMIANS APP
Power Systems Making and breaking currents of 3 phase AC circuit breakers in power system are respectively in what form? Instantaneous and RMS value any of the above RMS and RMS value RMS and Instantaneous value Instantaneous and RMS value any of the above RMS and RMS value RMS and Instantaneous value ANSWER DOWNLOAD EXAMIANS APP
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