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 3000 kW 7500 kW 6000 kW 3750 kW 3000 kW 7500 kW 6000 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the approximate efficiency of a normal thermal power station? 45-55% 60-70% 30-40% 20-25% 45-55% 60-70% 30-40% 20-25% ANSWER DOWNLOAD EXAMIANS APP
Power Systems For a 500 Hz frequency excitation, a 100 km long power line will be modelled as shunt capacitor long transmission line medium transmission line any of the above shunt capacitor long transmission line medium transmission line any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Nuclear fission means moderator. graphite. breaking up of nuclear of heavy atoms into nearly equal parts. combination of two light nuclei. moderator. graphite. breaking up of nuclear of heavy atoms into nearly equal parts. combination of two light nuclei. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following faults is/are treated as external faults? Failure of excitation All of these Failure of prime mover of the generator Over voltage Failure of excitation All of these Failure of prime mover of the generator Over voltage ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of higher transmission voltage is/are Area of cross section and volume of the conductor is reduced Transmission line losses are reduced All of these Power transfer capability of the transmission line is increased Area of cross section and volume of the conductor is reduced Transmission line losses are reduced All of these Power transfer capability of the transmission line is increased ANSWER DOWNLOAD EXAMIANS APP
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