Power Systems Which of the following is/are the stator faults? failure of excitation over current Inter phase faults All of these failure of excitation over current Inter phase faults 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 medium transmission lines only long transmission lines only None of these short transmission lines only medium transmission lines only long transmission lines only None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal protection relay provides protection against what? Temperature Over load any of the above Short circuit Temperature Over load any of the above Short circuit ANSWER DOWNLOAD EXAMIANS APP
Power Systems Characteristics of arc quenching medium is/are Non flammable All of these High dielectric strength High thermal conductivity Non flammable All of these High dielectric strength High thermal conductivity 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? 29 MHz 2.9 kHz 290 kHz 29 kHz 29 MHz 2.9 kHz 290 kHz 29 kHz ANSWER DOWNLOAD EXAMIANS APP
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