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