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

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

decrease in exit velocity from the nozzle
increase in exit velocity from the nozzle
increase or decrease depending upon the exit quality of steam
no change in exit velocity from the nozzle

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