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 0.56 -0.92 0.92 -0.56 0.56 -0.92 0.92 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The advantage of hydro electric power station over thermal power station is the initial cost of hydro electric power station is low hydro electric station can be constructed at the place where the energy is required the operation cost of hydro electric power station is low hydro electric power station can supply the power throughout the year the initial cost of hydro electric power station is low hydro electric station can be constructed at the place where the energy is required the operation cost of hydro electric power station is low hydro electric power station can supply the power throughout the year ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is not a secondary nuclear fuel U235. Pu239. U233. None of above. U235. Pu239. U233. None of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the approximate efficiency of a normal thermal power station? 45-55% 30-40% 20-25% 60-70% 45-55% 30-40% 20-25% 60-70% ANSWER DOWNLOAD EXAMIANS APP
Power Systems For 66 kV lines the number of insulator discs of each 11 kV used are 5 3 12 6 5 3 12 6 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 78.96 %. 80.25 %. 74.56 %. 79.33 %. 78.96 %. 80.25 %. 74.56 %. 79.33 %. ANSWER DOWNLOAD EXAMIANS APP
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