Power Systems Which of the following is/are the stator faults? Inter phase faults over current failure of excitation All of these Inter phase faults over current failure of excitation All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relays are used for the protection of which of the following lines? short transmission lines only long transmission lines only medium transmission lines only None of these short transmission lines only long transmission lines only medium transmission lines only None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal protection relay provides protection against what? Short circuit Over load Temperature any of the above Short circuit Over load Temperature any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Characteristics of arc quenching medium is/are High dielectric strength All of these High thermal conductivity Non flammable High dielectric strength All of these High thermal conductivity Non flammable ANSWER DOWNLOAD EXAMIANS APP
Power Systems a 50 Hz, 3-phase synchronous generator has inductance per phase of 15 mH. The capacitance of the generator and circuit breaker is 0.002 µF. What is its natural frequency? 290 kHz 2.9 kHz 29 MHz 29 kHz 290 kHz 2.9 kHz 29 MHz 29 kHz ANSWER DOWNLOAD EXAMIANS APP
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