Power Systems A buchholz relay is used for protection of a transformer against all internal faults nether 1 nor 2 both 1 and 2 protection of a transformer against all external faults protection of a transformer against all internal faults nether 1 nor 2 both 1 and 2 protection of a transformer against all external faults ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the preferred type of circuit breaker(CB) to be installed in extra high voltage AC system? Bulk oil type CB Air blast CB Sulphur hexafluoride CB Vacuum CB Bulk oil type CB Air blast CB Sulphur hexafluoride CB Vacuum CB ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays are used in protection of medium transmission lines? Impedance relays any of the above Mho relays Admittance relays Impedance relays any of the above Mho relays Admittance relays ANSWER DOWNLOAD EXAMIANS APP
Power Systems Offset mho relay is used for the protection of equipment when failure of prime mover of the generator None of these loss of excitation of the generator either 1 or 2 failure of prime mover of the generator None of these loss of excitation of the generator either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In case of failure of prime mover of the generator, which type of relay is used? impedance relay reverse power relay offset mho relay distance relays impedance relay reverse power relay offset mho relay distance relays ANSWER DOWNLOAD EXAMIANS APP