A Rankine turbo-generator unit receives 27,800 kg/hr of steam at 1.2 MPa and superheats by 122 degrees. Condensate leaves at 22°C. For a brake steam rate 4.74 kg/kWh, mechanical efficiency of 90% and generator efficiency of 94%, Determine the: a) Ideal cycle thermal efficiency b) Indicated engine efficiency c) The condition of turbine actual exhaust d) The turbo-generator outputs in kW.

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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1. A Rankine turbo-generator unit receives 27,800 kg/hr of steam at 1.2 MPa and
superheats by 122 degrees. Condensate leaves at 22°C. For a brake steam rate 4.74
kg/kWh, mechanical efficiency of 90% and generator efficiency of 94%, Determine the:
a) Ideal cycle thermal efficiency
b) Indicated engine efficiency
c) The condition of turbine actual exhaust
d) The turbo-generator outputs in kW.
Transcribed Image Text:1. A Rankine turbo-generator unit receives 27,800 kg/hr of steam at 1.2 MPa and superheats by 122 degrees. Condensate leaves at 22°C. For a brake steam rate 4.74 kg/kWh, mechanical efficiency of 90% and generator efficiency of 94%, Determine the: a) Ideal cycle thermal efficiency b) Indicated engine efficiency c) The condition of turbine actual exhaust d) The turbo-generator outputs in kW.
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