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