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