Power Systems A sort line with R/X ratio 1, the zero regulation is obtained when the power factor of the load is 0.5 0 leading 0.707 leading unity 0.5 0 leading 0.707 leading unity 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 120 MWhr 130.2 MWhr 135.3 MWhr 140 MWhr 120 MWhr 130.2 MWhr 135.3 MWhr ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across bottom most unit is 10 kV and its efficiency is 90%. Find the total operating phase voltage? 32 kV 40 kV 36 kV 45 kV 32 kV 40 kV 36 kV 45 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power station has a maximum demand of 15000 kW. The annual load factor is 50% and plant capacity factor is 40%. What is the reserve capacity of the plant? 3750 kW 6000 kW 7500 kW 3000 kW 3750 kW 6000 kW 7500 kW 3000 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems The power level of nuclear reactor can be increase by ( K = multiplication factor ) raising the value of K above 1 and keeping it at raised value. lowering the value of K below and keeping at that lowered value. lowering the value of K below 1 but later bringing it back to K = 1. raising the value of K above 1, but later bringing it back to K = 1. raising the value of K above 1 and keeping it at raised value. lowering the value of K below and keeping at that lowered value. lowering the value of K below 1 but later bringing it back to K = 1. raising the value of K above 1, but later bringing it back to K = 1. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An impulse turbine always operates submerged. makes use of a draft tube. is most suited for low head and high discharge power plants. operates by initial complete conversion to kinetic energy. always operates submerged. makes use of a draft tube. is most suited for low head and high discharge power plants. operates by initial complete conversion to kinetic energy. ANSWER DOWNLOAD EXAMIANS APP
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