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
Is unaffected by increase in Rankine cycle efficiency
Increases with increase in Rankine cycle efficiency
None of these

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Generation of Electrical Energy
The effect of considering friction in steam nozzles for the same pressure ratio leads to

decrease or increase of dryness fraction of exit steam depending upon inlet quality
increase in dryness fraction of exit steam
no change in the quality of exit steam
decrease in dryness fraction of exit steam

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