Generation of Electrical Energy The capacity of large turbo-generators varies from 50 to 300 MW 20 to 100 MW 70 to 400 MW 100 to 500 MW 50 to 300 MW 20 to 100 MW 70 to 400 MW 100 to 500 MW ANSWER DOWNLOAD EXAMIANS APP
Generation of Electrical Energy Rankine cycle efficiency of a good steam power plant may be in the range of 90 to 95 percent 70 to 80 percent 15 to 20 percent 35 to 45 percent 90 to 95 percent 70 to 80 percent 15 to 20 percent 35 to 45 percent ANSWER DOWNLOAD EXAMIANS APP
Generation of Electrical Energy Which of the following power plants need the least period for installation? Diesel power plant Nuclear power plant Thermal power plant Hydroelectric plant Diesel power plant Nuclear power plant Thermal power plant Hydroelectric plant ANSWER DOWNLOAD EXAMIANS APP
Generation of Electrical Energy The isentropic expansion of steam through nozzle for the steam initially dry saturated at inlet is approximated by equation. pv pv = C pv1i = C pv1A = C pv pv = C pv1i = C pv1A = C 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 Has lower thermal efficiency than Carnot cycle operating between same pressure limit Has same thermal efficiency as Carnot cycle operating between same pressure limits May be more or less depending upon the magnitude of p1 and p2 Has higher thermal efficiency than the Carnot cycle operating between same pressure limits Has lower thermal efficiency than Carnot cycle operating between same pressure limit Has same thermal efficiency as Carnot cycle operating between same pressure limits May be more or less depending upon the magnitude of p1 and p2 ANSWER DOWNLOAD EXAMIANS APP
Generation of Electrical Energy Steam pressure in a steam power station, which is usually kept now-a-days is of the order of 50 kgf/cm² 100 kgf/cm² 20 kgf/cm² 80 kgf/cm² 50 kgf/cm² 100 kgf/cm² 20 kgf/cm² 80 kgf/cm² ANSWER DOWNLOAD EXAMIANS APP