Generation of Electrical Energy
Rankine cycle operating on low pressure limit of p1 and high pressure limit of p2

Has lower thermal efficiency than Carnot cycle operating between same pressure limit
Has higher thermal efficiency than the Carnot cycle operating between same pressure limits
Has same thermal efficiency as Carnot cycle operating between same pressure limits
May be more or less depending upon the magnitude of p1 and p2

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Generation of Electrical Energy
In a regenerative surface condenser

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

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