Power Systems Earth fault relay uses the which of the following sequence currents? zero sequence negative sequence any of the above positive sequence zero sequence negative sequence any of the above positive sequence ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true regarding HVDC? All of these HVDC can utilize earth for its return path Corona loss is very much reduced in the dc line There is no skin effect in dc line All of these HVDC can utilize earth for its return path Corona loss is very much reduced in the dc line There is no skin effect in dc line ANSWER DOWNLOAD EXAMIANS APP
Power Systems The average thermal efficiency of a modern nuclear power plant is about 30 %. 80 %. 40 %. 60 %. 30 %. 80 %. 40 %. 60 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Operating cost of thermal power station is less than that of nuclear power plant. less than that of hydroelectric power plant. less than that of diesel power plant. is the same as that of nuclear power plant. less than that of nuclear power plant. less than that of hydroelectric power plant. less than that of diesel power plant. is the same as that of nuclear power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠°90 Ω, C = 0.5*10^-6∠90° ℧. Find Charging current under no load? 1.144∠90° A/phase 0.344∠90° A/phase 0.144∠90° A/phase 0.512∠90° A/phase 1.144∠90° A/phase 0.344∠90° A/phase 0.144∠90° A/phase 0.512∠90° A/phase ANSWER DOWNLOAD EXAMIANS APP
Power Systems For variable heads of near about but less than 30 m, which type of turbines is used hydro power plant Francis. None of above. Kaplan. Pelton. Francis. None of above. Kaplan. Pelton. ANSWER DOWNLOAD EXAMIANS APP
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