Power Systems For complete protection of 3-phase system from the short circuit faults minimum number of relays required are one six three two one six three two ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the number of insulator discs required in string insulator, if operating voltage is 220 kV and maximum voltage of each disc is 11 kV? 21 10 20 13 21 10 20 13 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Three generators rated 100 MVA, 11 kV have an impedance of 0.15 pu each. If in the same plant, these generators are being replaced by a single equivalent generator, the effective impedance of equivalent generator will be 0.05 pu 0.15 pu 0.45 pu 0.25 pu 0.05 pu 0.15 pu 0.45 pu 0.25 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The thermal efficiency of BWR is less than that of PWR. equal to that of PWR. greater than that of PWR. None of these less than that of PWR. equal to that of PWR. greater than that of PWR. None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following are the fertile materials U233 and Pu239. U238 and Pu239. U238 and Th232. U238 and Th239. U233 and Pu239. U238 and Pu239. U238 and Th232. U238 and Th239. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal power stations, economiser will reduce the thermal efficiency reduce the heat increase the thermal efficiency both 2 and 3 reduce the thermal efficiency reduce the heat increase the thermal efficiency both 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
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