Power Systems Which of the following is/are the stator faults? over current Inter phase faults failure of excitation All of these over current Inter phase faults 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? 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 short transmission lines only ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal protection relay provides protection against what? Over load Short circuit any of the above Temperature Over load Short circuit any of the above Temperature ANSWER DOWNLOAD EXAMIANS APP
Power Systems Characteristics of arc quenching medium is/are High thermal conductivity Non flammable High dielectric strength All of these High thermal conductivity Non flammable High dielectric strength All of these 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? 2.9 kHz 29 MHz 290 kHz 29 kHz 2.9 kHz 29 MHz 290 kHz 29 kHz ANSWER DOWNLOAD EXAMIANS APP
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