Generation of Electrical Energy Rankine cycle efficiency of a good steam power plant may be in the range of 15 to 20 percent 90 to 95 percent 70 to 80 percent 35 to 45 percent 15 to 20 percent 90 to 95 percent 70 to 80 percent 35 to 45 percent ANSWER DOWNLOAD EXAMIANS APP
Generation of Electrical Energy Economiser improve the boiler efficiency by 4 to 10% 10 to 12 % 13 to 15 % 1 to 5 % 4 to 10% 10 to 12 % 13 to 15 % 1 to 5 % 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. pv1A = C pv1i = C pv = C pv pv1A = C pv1i = C pv = C pv ANSWER DOWNLOAD EXAMIANS APP
Generation of Electrical Energy Area under the daily load curve divided by 24 hrs gives None of these Average load Maximum demand Units generated None of these Average load Maximum demand Units generated ANSWER DOWNLOAD EXAMIANS APP
Generation of Electrical Energy The voltage of a single solar cell is 0.5 V 2.0 V 0.2 V 1.0 V 0.5 V 2.0 V 0.2 V 1.0 V 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 Decreases with increase in Rankine cycle efficiency Increases with increase in Rankine cycle efficiency Is unaffected by increase in Rankine cycle efficiency None of these Decreases with increase in Rankine cycle efficiency Increases with increase in Rankine cycle efficiency Is unaffected by increase in Rankine cycle efficiency None of these ANSWER DOWNLOAD EXAMIANS APP