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