Power Systems A hydraulic turbine having rated speed of 250 rpm is connected to a synchronous generator. In order to produce power at 50 Hz, the numbers of pole are required in the generator 16. 24. 6. 12. 16. 24. 6. 12. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If, for a given alternator in economic operation mode, the incremental cost is given by (0.012 P + 8) Rs/MWh, dPL/dP = 0.2 and plant λ = 25, then power generation is 750 MW 1250 MW 1500 MW 1000 MW 750 MW 1250 MW 1500 MW 1000 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Deaerative heating is done to heat the feed water. remove dissolved. heat the steam. remove dissolved gases in water. heat the feed water. remove dissolved. heat the steam. remove dissolved gases in water. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the approximate efficiency of a normal thermal power station? 45-55% 20-25% 60-70% 30-40% 45-55% 20-25% 60-70% 30-40% ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation of modern EHV is designed based on RI. switching voltage. corona. lightning voltage. RI. switching voltage. corona. lightning voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a neutral point of 3 - Φ system is directly connected to earth then it has what type of grounding? Peterson coil. Reactance. Resistance. Solid. Peterson coil. Reactance. Resistance. Solid. ANSWER DOWNLOAD EXAMIANS APP
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