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