What is the isentropic efficiency of the pump?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A steam power plant operates on a Rankine cycle and has a net power output of 50 MW. Steam enters the turbine at
1000 psia and 1000 F and is cooled in the condenser at a pressure of 2 psia. The power to the pump is 371.43 Btu/s
and the water goes in the pump as saturated liquid. The mass flow of the steam is 104.09 Ibm/s.
Note: 1 Btu = 778.17 Ibf*ft
%3D
In the question that follows, select the answer that is closest to the true value.
What is the isentropic efficiency of the pump?
Transcribed Image Text:A steam power plant operates on a Rankine cycle and has a net power output of 50 MW. Steam enters the turbine at 1000 psia and 1000 F and is cooled in the condenser at a pressure of 2 psia. The power to the pump is 371.43 Btu/s and the water goes in the pump as saturated liquid. The mass flow of the steam is 104.09 Ibm/s. Note: 1 Btu = 778.17 Ibf*ft %3D In the question that follows, select the answer that is closest to the true value. What is the isentropic efficiency of the pump?
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