Generation of Electrical Energy The efficiency of a modern boiler using coal and heat recovery equipment is about 40 to 50% 65 to 70% 85 to 90% 25 to 30% 40 to 50% 65 to 70% 85 to 90% 25 to 30% 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. pv1i = C pv pv = C pv1A = C pv1i = C pv pv = C pv1A = C ANSWER DOWNLOAD EXAMIANS APP
Generation of Electrical Energy To supply base load of a power station, _______ power plant is very suitable. Nuclear power plant Diesel power station None of these Gas power station Nuclear power plant Diesel power station None of these Gas power station ANSWER DOWNLOAD EXAMIANS APP
Generation of Electrical Energy The capacity of the power plant is generally made _______ more than the maximum demand to meet the future load requirements. 90% to 95% 60% to 70% 55% to 60% 15% to 20% 90% to 95% 60% to 70% 55% to 60% 15% to 20% ANSWER DOWNLOAD EXAMIANS APP
Generation of Electrical Energy The thermal efficiency of a steam power plant is about 75% 69% 80% 28% 75% 69% 80% 28% ANSWER DOWNLOAD EXAMIANS APP
Generation of Electrical Energy Economiser improve the boiler efficiency by 1 to 5 % 4 to 10% 10 to 12 % 13 to 15 % 1 to 5 % 4 to 10% 10 to 12 % 13 to 15 % ANSWER DOWNLOAD EXAMIANS APP