Power Systems In case of failure of prime mover of the generator, which type of relay is used? distance relays impedance relay offset mho relay reverse power relay distance relays impedance relay offset mho relay reverse power relay ANSWER DOWNLOAD EXAMIANS APP
Power Systems If we increase the length of the transmission line, the charging current increases remains unaffected None of these decreases increases remains unaffected None of these decreases ANSWER DOWNLOAD EXAMIANS APP
Power Systems Isolator in sub station is open under ------------- condition? short circuit full load no load any of the above short circuit full load no load any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Recovery voltage in CB is equal to arcing period voltage. transient voltage. none of these. normal frequency 50 Hz rms voltage. arcing period voltage. transient voltage. none of these. normal frequency 50 Hz rms voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relays are used for the protection of which of the following lines? None of these medium transmission lines only long transmission lines only short transmission lines only None of these medium transmission lines only long transmission lines only short transmission lines only ANSWER DOWNLOAD EXAMIANS APP
Power Systems Inductance of transmission line will decrease when both GMD and GMR decrease GMD decrease and GMR increase GMD increase and GMR decrease both GMD and GMR increase both GMD and GMR decrease GMD decrease and GMR increase GMD increase and GMR decrease both GMD and GMR increase ANSWER DOWNLOAD EXAMIANS APP