Power Systems At slack bus, which one of the following combinations of variables is not specified? V and δ P and Q Q and V P and V V and δ P and Q Q and V P and V ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 100 Km long transmission line is loaded at 110 kV. If the loss of line is 5 MW and the load is 150 VA the resistance of the line is 8.06 Ω / phase. 2.26 Ω / phase. 6.06 Ω / phase. 4.65 Ω / phase. 8.06 Ω / phase. 2.26 Ω / phase. 6.06 Ω / phase. 4.65 Ω / phase. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading (SIL) is represented by Vl²/Zs Vl²*√(C/L) both 1 and 2 Vph²/Zs Vl²/Zs Vl²*√(C/L) both 1 and 2 Vph²/Zs ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydro power plant of run off river type should be provided with pondage so that the pressure inside the turbine casing remains. firm capacity of plant is increased. kinetic energy of the running water is fully utilized. operating head is controlled. pressure inside the turbine casing remains. firm capacity of plant is increased. kinetic energy of the running water is fully utilized. operating head is controlled. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Recovery voltage in CB is equal to 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. arcing period voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The draft tube is provided to increase the acting head on the water wheel. None of these raise the water surface of the stream to create an artificial head. reduce the effect of water hammer. increase the acting head on the water wheel. None of these raise the water surface of the stream to create an artificial head. reduce the effect of water hammer. ANSWER DOWNLOAD EXAMIANS APP
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