Power Systems A buchholz relay is used for both 1 and 2 protection of a transformer against all internal faults nether 1 nor 2 protection of a transformer against all external faults both 1 and 2 protection of a transformer against all internal faults nether 1 nor 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? Sulphur hexafluoride CB Vacuum CB Air blast CB Bulk oil type CB Sulphur hexafluoride CB Vacuum CB Air blast CB Bulk oil type CB ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays are used in protection of medium transmission lines? any of the above Impedance relays Admittance relays Mho relays any of the above Impedance relays Admittance relays Mho 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 either 1 or 2 loss of excitation of the generator None of these failure of prime mover of the generator either 1 or 2 loss of excitation of the generator None of these 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
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