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
Generation of Electrical Energy The capacity of large turbo-generators varies from 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 50 to 300 MW 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 20 kgf/cm² 50 kgf/cm² 80 kgf/cm² 100 kgf/cm² 20 kgf/cm² 50 kgf/cm² 80 kgf/cm² 100 kgf/cm² ANSWER DOWNLOAD EXAMIANS APP
Generation of Electrical Energy Rankine cycle efficiency of a good steam power plant may be in the range of 35 to 45 percent 15 to 20 percent 70 to 80 percent 90 to 95 percent 35 to 45 percent 15 to 20 percent 70 to 80 percent 90 to 95 percent ANSWER DOWNLOAD EXAMIANS APP
Generation of Electrical Energy The commonly used material of condenser tubes is Admiralty brass Mild steel Aluminum Cast iron Admiralty brass Mild steel Aluminum Cast iron ANSWER DOWNLOAD EXAMIANS APP
Generation of Electrical Energy The effect of considering friction in steam nozzles for the same pressure ratio leads to decrease in dryness fraction of exit steam no change in the quality of exit steam increase in dryness fraction of exit steam decrease or increase of dryness fraction of exit steam depending upon inlet quality decrease in dryness fraction of exit steam no change in the quality of exit steam increase in dryness fraction of exit steam decrease or increase of dryness fraction of exit steam depending upon inlet quality ANSWER DOWNLOAD EXAMIANS APP
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