Generation of Electrical Energy The efficiency of a modern boiler using coal and heat recovery equipment is about 85 to 90% 65 to 70% 40 to 50% 25 to 30% 85 to 90% 65 to 70% 40 to 50% 25 to 30% ANSWER DOWNLOAD EXAMIANS APP
Generation of Electrical Energy In a regenerative feed heating cycle, the optimum value of the fraction of steam extracted for feed heating None of these Increases with increase in Rankine cycle efficiency Decreases with increase in Rankine cycle efficiency Is unaffected by increase in Rankine cycle efficiency None of these Increases with increase in Rankine cycle efficiency Decreases with increase in Rankine cycle efficiency Is unaffected by increase in Rankine cycle efficiency ANSWER DOWNLOAD EXAMIANS APP
Generation of Electrical Energy In power station Reverse capacity= Plant capacity + Max. demand Reverse capacity= Plant capacity - Max. demand Reverse capacity= Plant capacity + Average demand Reverse capacity= Plant capacity - Average demand Reverse capacity= Plant capacity + Max. demand Reverse capacity= Plant capacity - Max. demand Reverse capacity= Plant capacity + Average demand Reverse capacity= Plant capacity - Average demand ANSWER DOWNLOAD EXAMIANS APP
Generation of Electrical Energy Rankine cycle operating on low pressure limit of p1 and high pressure limit of p2 Has higher thermal efficiency than the Carnot cycle operating between same pressure limits May be more or less depending upon the magnitude of p1 and p2 Has lower thermal efficiency than Carnot cycle operating between same pressure limit Has same thermal efficiency as Carnot cycle operating between same pressure limits Has higher thermal efficiency than the Carnot cycle operating between same pressure limits May be more or less depending upon the magnitude of p1 and p2 Has lower thermal efficiency than Carnot cycle operating between same pressure limit Has same thermal efficiency as Carnot cycle operating between same pressure limits ANSWER DOWNLOAD EXAMIANS APP
Generation of Electrical Energy The draught which a chimney produces is called Natural draught Balanced draught Induced draught Forced draught Natural draught Balanced draught Induced draught Forced draught ANSWER DOWNLOAD EXAMIANS APP
Generation of Electrical Energy For which of the following power plants highly skilled engineers are required for running the plants? Nuclear power plant Hydroelectric plant Solar power plant Diesel power plant Nuclear power plant Hydroelectric plant Solar power plant Diesel power plant ANSWER DOWNLOAD EXAMIANS APP