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