Power Systems Recovery voltage in CB is equal to transient voltage. arcing period voltage. none of these. normal frequency 50 Hz rms voltage. transient voltage. arcing period voltage. none of these. normal frequency 50 Hz rms voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has a rating of 10 MVA, 5 kV has a reactance of 0.02 pu. Find the reactance at a new base values of 50 MVA, 10 kV? 0.25 0.05 0.02 0.025 0.25 0.05 0.02 0.025 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In relay coil which is used? Instrument transformer. Current transformer. Power transformer. Potential transformer. Instrument transformer. Current transformer. Power transformer. Potential transformer. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Skin effective is more in case of same in both cases power lines None of these communication lines same in both cases power lines None of these communication lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems The most commonly used material for insulators of overhead lines is porcelain glass PVC mica porcelain glass PVC mica ANSWER DOWNLOAD EXAMIANS APP
Power Systems In case of failure of prime mover of the generator, which type of relay is used? distance relays impedance relay offset mho relay reverse power relay distance relays impedance relay offset mho relay reverse power relay ANSWER DOWNLOAD EXAMIANS APP
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