Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, the symmetrical breaking capacity is 2000 MVA, 3 secs. Then the making capacity is 5200 MVA. 5500 MVA. 5000 MVA. 5100 MVA. 5200 MVA. 5500 MVA. 5000 MVA. 5100 MVA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Earthing switch is used for protection of equipment from ground faults discharging residual energies measuring of safety voltage All of these protection of equipment from ground faults discharging residual energies measuring of safety voltage All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Making and breaking currents of 3 phase AC circuit breakers in power system are respectively in what form? RMS and RMS value any of the above Instantaneous and RMS value RMS and Instantaneous value RMS and RMS value any of the above Instantaneous and RMS value RMS and Instantaneous value ANSWER DOWNLOAD EXAMIANS APP
Power Systems Corona loss is ----------------- on hilly areas than as plain areas. remain same None of these less more remain same None of these less more ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where the voltage is high and current to be interrupted is low, Which of following the breaker is preferable? Air blast CB. Any of these. Oil CB. Vacuum CB. Air blast CB. Any of these. Oil CB. Vacuum CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ferranti effect will not occur in which of the following transmission lines All of these medium transmission lines long transmission lines short transmission lines All of these medium transmission lines long transmission lines short transmission lines ANSWER DOWNLOAD EXAMIANS APP
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