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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
90 to 95 percent
70 to 80 percent
35 to 45 percent
15 to 20 percent
90 to 95 percent
70 to 80 percent
Answer
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Related Question
Generation of Electrical Energy
In thermal power plant, economiser are used to heat
Steam
None of these
Feed water
Air
Steam
None of these
Feed water
Air
Answer
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Generation of Electrical Energy
In a regenerative surface condenser
There are two pumps to remove air and condensate
There are three pumps to remove air, vapor and condensate
There is no pump; the condensate gets removed by gravity
There is one pump to remove air and condensate
There are two pumps to remove air and condensate
There are three pumps to remove air, vapor and condensate
There is no pump; the condensate gets removed by gravity
There is one pump to remove air and condensate
Answer
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Generation of Electrical Energy
Steam turbines commonly used in steam power plant are
Non-condensing type
None of these
Condensing type
Both condensing and non-condensing type
Non-condensing type
None of these
Condensing type
Both condensing and non-condensing type
Answer
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Generation of Electrical Energy
Reheat cycle in steam power plant is used to
reduce loss of heat
increase thermal efficiency
utilise heat of flue gases
improve condenser performance
reduce loss of heat
increase thermal efficiency
utilise heat of flue gases
improve condenser performance
Answer
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Generation of Electrical Energy
The effect of considering friction in steam nozzles for the same pressure ratio leads to
increase in dryness fraction of exit steam
decrease or increase of dryness fraction of exit steam depending upon inlet quality
no change in the quality of exit steam
decrease in dryness fraction of exit steam
increase in dryness fraction of exit steam
decrease or increase of dryness fraction of exit steam depending upon inlet quality
no change in the quality of exit steam
decrease in dryness fraction of exit steam
Answer
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