A combined power plant has a net power of 10 MW. Air enters the compressor at 100 KPa, 300 k, and compressed to 1200 KPa. The isentropic efficiency of compressor is 84%. Turbine inlet temperature and pressure are 1400 k, 1200 KPa respectively. Hot gases expand through the turbine which has an isentropic efficiency of 88% to a pressure .of 100 KPa If the heating value of fuel is 42400 „kJ/kg.k and thermal efficiency is 49.55% Specific fuel consumption (sfc) in kg/kw.hr is

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A combined power plant has a net power
of 10 MW. Air enters the compressor at
100 KPa, 300 k, and compressed to 1200
KPa. The isentropic efficiency of
compressor is 84%. Turbine inlet
temperature and pressure are 1400 k,
1200 KPa respectively. Hot gases expand
through the turbine which has an
isentropic efficiency of 88% to a pressure
.of 100 KPa
If the heating value of fuel is 42400
„kJ/kg.k and thermal efficiency is 49.55%
Specific fuel consumption (sfc) in
kg/kw.hr is
اخترأحد الخيارات
a. 0.171 kg/kw.hr
b. 0.373 kg/kw.hr
c. 0.67 kg/kw.hr
d. 0.145 kg/kw.hr
Transcribed Image Text:A combined power plant has a net power of 10 MW. Air enters the compressor at 100 KPa, 300 k, and compressed to 1200 KPa. The isentropic efficiency of compressor is 84%. Turbine inlet temperature and pressure are 1400 k, 1200 KPa respectively. Hot gases expand through the turbine which has an isentropic efficiency of 88% to a pressure .of 100 KPa If the heating value of fuel is 42400 „kJ/kg.k and thermal efficiency is 49.55% Specific fuel consumption (sfc) in kg/kw.hr is اخترأحد الخيارات a. 0.171 kg/kw.hr b. 0.373 kg/kw.hr c. 0.67 kg/kw.hr d. 0.145 kg/kw.hr
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