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

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

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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 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

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