Power Systems For complete protection of 3-phase system from the short circuit faults minimum number of relays required are six two one three six two one three ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 core cable gives on test a capacitance of 3.7 µF between two cores. Find the line charging current of the cable when it is connected to 11 kV, 50 Hz system? 1 A. 14.76 A. 1.476 A. 14.7 mA. 1 A. 14.76 A. 1.476 A. 14.7 mA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power planets is the least reliable Solar. Geothermal. Wind. Tidal. Solar. Geothermal. Wind. Tidal. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A network containing 100 buses in which 10 are the voltage control buses, 5 are fixed shunt capacitor buses, 20 are the reactive power support buses, 6 are the generator buses. Find the size of the Jacobian matrix? 165 × 165 164 × 164 163 × 163 162 × 162 165 × 165 164 × 164 163 × 163 162 × 162 ANSWER DOWNLOAD EXAMIANS APP
Power Systems If skin depth is more, then skin effect is None of these less more either 1 or 2 None of these less more either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The charging reactance of 50 km transmission line is 1500 Ω. What is the charging reactance for 100 km length of line? 3000 Ω 750 Ω 1000 Ω 1500 Ω 3000 Ω 750 Ω 1000 Ω 1500 Ω ANSWER DOWNLOAD EXAMIANS APP
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