Power Systems A buchholz relay is used for protection of a transformer against all external faults nether 1 nor 2 protection of a transformer against all internal faults both 1 and 2 protection of a transformer against all external faults nether 1 nor 2 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? Vacuum CB Air blast CB Sulphur hexafluoride CB Bulk oil type CB Vacuum CB Air blast CB Sulphur hexafluoride CB Bulk oil type CB ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays are used in protection of medium transmission lines? Mho relays Impedance relays any of the above Admittance relays Mho relays Impedance relays any of the above Admittance relays ANSWER DOWNLOAD EXAMIANS APP
Power Systems Offset mho relay is used for the protection of equipment when 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 failure of prime mover of the generator either 1 or 2 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? offset mho relay distance relays impedance relay reverse power relay offset mho relay distance relays impedance relay reverse power relay ANSWER DOWNLOAD EXAMIANS APP
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