Air enters an adiabatic gas turbine at 2000 F and 120 psia. The air leaves at 60 psia. The turbine has an isentropic efficiency of 86 percent. Assume the air has constant specific heat with Cp = 0.240 Btu/lbmR and k = 1.4. In the question that follows, select the answer that is closest to the true value. What is the isentropic work output of the turbine in units of Btu/lbm?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Air enters an adiabatic gas turbine at 2000 F and 120 psia. The air leaves at 60 psia. The turbine has an isentropic
efficiency of 86 percent. Assume the air has constant specific heat with Cp = 0.240 Btu/lbmR and k = 1.4.
%3D
In the question that follows, select the answer that is closest to the true value.
What is the isentropic work output of the turbine in units of Btu/lbm?
Transcribed Image Text:Air enters an adiabatic gas turbine at 2000 F and 120 psia. The air leaves at 60 psia. The turbine has an isentropic efficiency of 86 percent. Assume the air has constant specific heat with Cp = 0.240 Btu/lbmR and k = 1.4. %3D In the question that follows, select the answer that is closest to the true value. What is the isentropic work output of the turbine in units of Btu/lbm?
A gasoline engine uses 35 L/hr of fuel while delivering 55 kW of power. The heating value of the fuel is 35,000 kJ/kg
and the fuel density is 900 kg/m^3.
In the question that follows, select the answer that is closest to the true value.
What is the mass flow rate of the fuel in units of kg/s ?
Transcribed Image Text:A gasoline engine uses 35 L/hr of fuel while delivering 55 kW of power. The heating value of the fuel is 35,000 kJ/kg and the fuel density is 900 kg/m^3. In the question that follows, select the answer that is closest to the true value. What is the mass flow rate of the fuel in units of kg/s ?
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