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 Sulphur hexafluoride CB Vacuum CB Bulk oil type CB Air blast CB Sulphur hexafluoride CB Vacuum CB Bulk oil type CB ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays are used in protection of medium transmission lines? Admittance relays Impedance relays Mho relays any of the above Admittance relays Impedance relays Mho relays any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Offset mho relay is used for the protection of equipment when loss of excitation of the generator either 1 or 2 None of these failure of prime mover of the generator loss of excitation of the generator either 1 or 2 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? impedance relay reverse power relay distance relays offset mho relay impedance relay reverse power relay distance relays offset mho relay ANSWER DOWNLOAD EXAMIANS APP
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