Power Systems Characteristics of arc quenching medium is/are High thermal conductivity Non flammable All of these High dielectric strength High thermal conductivity Non flammable All of these High dielectric strength ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the fault current is 2000 A, the relay setting is 50% and CT ratio is 400 : 5, then plug setting multiplier will be 10. 25. 15. 50. 10. 25. 15. 50. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Four identical alternators each are rated for 20 MVA, 11 KV having a subtransient reactance of 16% are working in parallel. The short circuit level at the busbar is 100 MVA 400 MVA 125 MVA 500 MVA 100 MVA 400 MVA 125 MVA 500 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal power stations, economiser will increase the thermal efficiency both 2 and 3 reduce the thermal efficiency reduce the heat increase the thermal efficiency both 2 and 3 reduce the thermal efficiency reduce the heat ANSWER DOWNLOAD EXAMIANS APP
Power Systems Differential relays does not used for which of the following faults? faults within a generator both 1 and 2 through faults faults within a transformer faults within a generator both 1 and 2 through faults faults within a transformer ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following circuit breakers produce least arc energy? Minimum oil CB. Plain oil CB. Air blast CB. Air break CB. Minimum oil CB. Plain oil CB. Air blast CB. Air break CB. ANSWER DOWNLOAD EXAMIANS APP
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