Power Systems Which of the following statements is true? Corona loss increases with decrease in conductor size and increase in supply frequency decrease in conductor size and decrease in supply frequency increase in conductor size and increase in supply frequency increase in conductor size and decrease in supply frequency decrease in conductor size and increase in supply frequency decrease in conductor size and decrease in supply frequency increase in conductor size and increase in supply frequency increase in conductor size and decrease in supply frequency ANSWER DOWNLOAD EXAMIANS APP
Power Systems If all the sequence voltages at the fault point in a power system are equal, then the fault point is a LG LL LLL LLG LG LL LLL LLG ANSWER DOWNLOAD EXAMIANS APP
Power Systems The pu parameters for a 500 MVA machine on its own base are: Inertia, H = 20 pu; reactance X = 2 pu. The pu values of inertia and reactance on 100 MVA common base, respectively, are 100, 10 4, 0.4 4, 10 100, 0.4 100, 10 4, 0.4 4, 10 100, 0.4 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
Power Systems On which one of the following cycles does a modern steam power plat work Otto cycle. Carnot cycle. Rankine cycle. Bell - Coleman cycle. Otto cycle. Carnot cycle. Rankine cycle. Bell - Coleman cycle. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across the bottom most unit is 33.33% of total voltage. Its string efficiency is 25% 33.33% 75% 66.66% 25% 33.33% 75% 66.66% ANSWER DOWNLOAD EXAMIANS APP
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