Generation of Electrical Energy
In a regenerative surface condenser

There is no pump; the condensate gets removed by gravity
There are two pumps to remove air and condensate
There are three pumps to remove air, vapor and condensate
There is one pump to remove air and condensate

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

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

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