Power Systems Operating time of pumped storage plant is can't say low high very high can't say low high very high 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 135.3 MWhr 140 MWhr 120 MWhr 130.2 MWhr 135.3 MWhr 140 MWhr 120 MWhr 130.2 MWhr ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 100 MVA alternator operating at full load at 50 Hz. H = 4 MWsec/MVA, Td = 0.5 sec. One of the transmission line is tripped. So that output of generator is reduced to 70 MW. Find the frequency deviation during this time? -0.56 -0.92 0.92 0.56 -0.56 -0.92 0.92 0.56 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of draft tube is reaction turbine is to all of above. convert kinetic energy of water. increase flow rate of water. reduce water hammer. all of above. convert kinetic energy of water. increase flow rate of water. reduce water hammer. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The conversion ratio of breeder reactor are greater than 1. less than 1. none of above. 1. greater than 1. less than 1. none of above. 1. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 25 MVA, 11 kV alternator is supplying full load at a point of 0.75 lagging. Determine the percentage increase in earning capacity when it is operated at improved power factor of 0.96 lagging. 14 %. None of above 56 %. 28 %. 14 %. None of above 56 %. 28 %. ANSWER DOWNLOAD EXAMIANS APP
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