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

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

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Generation of Electrical Energy
The draught produced, for a given height of the chimney and given mean temperature of chimney gases

increases with increase in outside air temperature
decreases with increase in outside air temperature
may increase or decrease with increase in outside air temperature
remains the same irrespective of outside air temperature

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