Power Systems A string insulator has 4 units. The voltage across bottom most unit is 10 kV and its efficiency is 90%. Find the total operating phase voltage? 40 kV 36 kV 45 kV 32 kV 40 kV 36 kV 45 kV 32 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems The line current IR flowing into balanced delta connected load is - j5 - 3 A. If the phase sequence is RYB the phase current IYB is 10. 5. 55.1. 20. 10. 5. 55.1. 20. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The power station that does not requier any moving part is Tidal power generation. Wind power generation. Thermonic convertor. Solar power generation. Tidal power generation. Wind power generation. Thermonic convertor. Solar power generation. 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 4, 0.4 100, 10 4, 10 100, 0.4 4, 0.4 100, 10 4, 10 100, 0.4 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 400 KV network, 360 KV is recorded at a 400 KV bus. The reactive power absorbed by shunt rated for 50 MVAr, 400 KV connected at the bus is 61.73 MVAr. 45 MVAr. 40.5 MVAr. 55.56 MVAr. 61.73 MVAr. 45 MVAr. 40.5 MVAr. 55.56 MVAr. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Recovery voltage in CB is equal to arcing period voltage. none of these. normal frequency 50 Hz rms voltage. transient voltage. arcing period voltage. none of these. normal frequency 50 Hz rms voltage. transient voltage. ANSWER DOWNLOAD EXAMIANS APP
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