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Efficiency of ranking cycle can be increased by
  • a)
    decreasing initial steam pressure and temperature
  • b)
    increasing exhaust pressure
  • c)
    decreasing exhaust pressure
  • d)
    increasing the expansion ratio
  • e)
    increasing number of regenerative heaters
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Efficiency of ranking cycle can be increased bya)decreasing initial st...
The overall effect of lowering the condenser pressure is an increase in the thermal efficiency of the cycle. The average temperature at which heat is added to the steam can be increased without increasing the boiler pressure by superheating the steam to high temperatures.
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Efficiency of ranking cycle can be increased bya)decreasing initial steam pressure and temperatureb)increasing exhaust pressurec)decreasing exhaust pressured)increasing the expansion ratioe)increasing number of regenerative heatersCorrect answer is option 'A'. Can you explain this answer?
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