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

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

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Generation of Electrical Energy
In a regenerative feed heating cycle, the optimum value of the fraction of steam extracted for feed heating

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

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