Power Systems Zero voltage regulation is possible only for unity power factor leading power factor All of these lagging power factor unity power factor leading power factor All of these lagging power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero sequence currents can flow from a line into a transformer bank if the windings are in star / grounded star. delta / delta. ground star / delta. delta / star. star / grounded star. delta / delta. ground star / delta. delta / star. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What will be the ratio of the C.T. on the H.V side of a 3 - φ star / delta 33 / 11 kV transformer if the protecting CT on the LV side has a ratio of 300 : 5 ? 100 : 5 / √3. 150 : 4 / √3. 120 : 6 / √3. 200 : 5 / √3. 100 : 5 / √3. 150 : 4 / √3. 120 : 6 / √3. 200 : 5 / √3. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum power transfer in a transmission line can be obtained by reducing reactance either 1 or 2 increasing voltage level None of these reducing reactance either 1 or 2 increasing voltage level None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ABCD constants of a 3-phase transmission line are A = D = 0.8∠1°, B = 170∠85° Ω , C = 0.002∠90.4° ℧. The sending end voltage is 400 kV. The receiving end voltage under no load condition is 400 kV 600 kV 500 kV 350 kV 400 kV 600 kV 500 kV 350 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Non-commercial sources of energy are None of these fossil fuel, hydro power and nuclear power. solar, wind and biomass. wood, animal wastes and agricultural wastes. None of these fossil fuel, hydro power and nuclear power. solar, wind and biomass. wood, animal wastes and agricultural wastes. ANSWER DOWNLOAD EXAMIANS APP
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