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? Sulphur hexafluoride CB Air blast CB Bulk oil type CB Vacuum CB Sulphur hexafluoride CB Air blast CB Bulk oil type CB Vacuum CB ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays are used in protection of medium transmission lines? Mho relays Impedance relays Admittance relays any of the above Mho relays Impedance relays Admittance relays any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Offset mho relay is used for the protection of equipment when 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 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 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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