Question

For an ideal Rankine cycle operating between pressures of 30 bar and 0.04 bar, the work output from the turbine is 903 kJ/kg and the work input to the feed pump is 3 kJ/kg. The specific steam consumption is _________________ kg/kW.h (round off to 2 decimal places).

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Answer :

Correct answer is : 4

WT = 903 kJ/kg, Wcomp = 3 kJ/kg

Now,

S p e c i f i c S t e a m C o n s u m p t i o n = 3600 ( W T W P )

S S C = 3600 903 3 = 3600 900 = 4

∴ SSC = 4 kg/kW.hr

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