Generation of Electrical Energy The efficiency of a modern boiler using coal and heat recovery equipment is about 85 to 90% 40 to 50% 25 to 30% 65 to 70% 85 to 90% 40 to 50% 25 to 30% 65 to 70% ANSWER DOWNLOAD EXAMIANS APP
Generation of Electrical Energy The overall efficiency of thermal power plant is equal to Carnot cycle efficiency Regenerative cycle efficiency Bioler efficiency × turbine efficiency × generator efficiency Rankine cycle efficiency Carnot cycle efficiency Regenerative cycle efficiency Bioler efficiency × turbine efficiency × generator efficiency Rankine cycle efficiency ANSWER DOWNLOAD EXAMIANS APP
Generation of Electrical Energy Which of the following coals has the highest calorific value? Anthracite coal Lignite Peat Bituminous Anthracite coal Lignite Peat Bituminous ANSWER DOWNLOAD EXAMIANS APP
Generation of Electrical Energy There are no stand by losses in _______ plant. Steam power plant Diesel power plant Nuclear power plant Hydroelectric plant Steam power plant Diesel power plant Nuclear power plant Hydroelectric plant ANSWER DOWNLOAD EXAMIANS APP
Generation of Electrical Energy Economiser improve the boiler efficiency by 4 to 10% 1 to 5 % 13 to 15 % 10 to 12 % 4 to 10% 1 to 5 % 13 to 15 % 10 to 12 % ANSWER DOWNLOAD EXAMIANS APP
Generation of Electrical Energy The draught produced, for a given height of the chimney and given mean temperature of chimney gases may increase or decrease with increase in outside air temperature decreases with increase in outside air temperature remains the same irrespective of outside air temperature increases with increase in outside air temperature may increase or decrease with increase in outside air temperature decreases with increase in outside air temperature remains the same irrespective of outside air temperature increases with increase in outside air temperature ANSWER DOWNLOAD EXAMIANS APP
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