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? 0.92 0.56 -0.56 -0.92 0.92 0.56 -0.56 -0.92 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A cable has the following characteristics, L = 0.201 µH/m and C = 196.2 pF/m. The velocity of wave propagation through cable is 159.24 m/s 159.24 m/µs 32 m/s 0.0312 m/s 159.24 m/s 159.24 m/µs 32 m/s 0.0312 m/s ANSWER DOWNLOAD EXAMIANS APP
Power Systems The rate of rise of restricting voltage depends upon the Capacitance of the system. Inductance of the system. Inductance and capacitance of the system. Type of CB. Capacitance of the system. Inductance of the system. Inductance and capacitance of the system. Type of CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power plants needs highly skilled/qualified engineers for its operation Hydro Power Plant Nuclear. Thermal. Gas-turbine. Hydro Power Plant Nuclear. Thermal. Gas-turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Operating cost of thermal power station is is the same as that of nuclear power plant. less than that of diesel power plant. less than that of hydroelectric power plant. less than that of nuclear power plant. is the same as that of nuclear power plant. less than that of diesel power plant. less than that of hydroelectric power plant. less than that of nuclear power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The annual depreciation of hydro power plant is about 10 - 15 %. 20 - 25 %. 15 - 20 %. 0.5 - 1.5 %. 10 - 15 %. 20 - 25 %. 15 - 20 %. 0.5 - 1.5 %. ANSWER DOWNLOAD EXAMIANS APP
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