1. Steam enters an adiabatic turbine at 200 psia, 900°F and exits at 40 psia, 600°F. a. What is the actual work produced by the turbine (in BTU/lbm). (Answer: 143.61 BTU/lbm) b. What is the ideal adiabatic work (in BTU/Ibm) for the steam exiting at 40 psia (in this case the exit temperature is unknown). (Answer: 200 BTU/Ibm) c. What is the isentropic efficiency? (Answer: 71.8%) d. What is the generated entropy, Ŝgen (in BTU/R-Ibm) (Answer: 0.0566 BTU/(lbm 'R))

1. Steam enters an adiabatic turbine at 200 psia, 900°F and exits at 40 psia, 600°F. a. What is the actual work produced by the turbine (in BTU/lbm). (Answer: 143.61 BTU/lbm) b. What is the ideal adiabatic work (in BTU/Ibm) for the steam exiting at 40 psia (in this case the exit temperature is unknown). (Answer: 200 BTU/Ibm) c. What is the isentropic efficiency? (Answer: 71.8%) d. What is the generated entropy, Ŝgen (in BTU/R-Ibm) (Answer: 0.0566 BTU/(lbm 'R))

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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