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