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