Power Systems The per unit impedance of a circuit element is 0.30. If the base kV and base MVA are halved, then the new value of the per unit impedance of the circuit element will be 0.30 0.60 0.0030 0.0060 0.30 0.60 0.0030 0.0060 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The annual depreciation of hydro power plant is about 0.5 - 1.5 %. 20 - 25 %. 15 - 20 %. 10 - 15 %. 0.5 - 1.5 %. 20 - 25 %. 15 - 20 %. 10 - 15 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following materials is/are used as moderators? beryllium heavy water All of these graphite beryllium heavy water All of these graphite ANSWER DOWNLOAD EXAMIANS APP
Power Systems Two generating stations delivering a powers of P1 = 150 MW, P2 =100 MW and the B coefficients are B11 = 0.005, B22 = 0.002, B12=B21= -0.001. Find the transmission line losses? 102.5 105.2 85.5 95.5 102.5 105.2 85.5 95.5 ANSWER DOWNLOAD EXAMIANS APP
Power Systems What will be the thermal efficiency of a 240 V, 1000 W electric kettle if it brings 2 liters of water at 15° C to boiling point 15 Minutes 74.56 %. 78.96 %. 79.33 %. 80.25 %. 74.56 %. 78.96 %. 79.33 %. 80.25 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems One million cubic meters of water is stored in a reservoir feeding a water turbine. The density of water is 993 kg/m³. If the centre of mass of water is 50 meters above the turbine and losses are negligible, the energy produced by that volume of water is 140 MWhr 135.3 MWhr 120 MWhr 130.2 MWhr 140 MWhr 135.3 MWhr 120 MWhr 130.2 MWhr ANSWER DOWNLOAD EXAMIANS APP
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