Consider 5.2 pounds per minute of water vapor at 100 lbf/in², 500°F, and a velocity of 100 ft/s entering a nozzle operating at steady state and expanding adiabatically to the exit, where the pressure is 40 lb/in². The isentropic nozzle efficiency is 85.0%. Determine the velocity of the steam at the exit, in ft/s, and the rate of entropy production, in Btu/min.°R.

Consider 5.2 pounds per minute of water vapor at 100 lbf/in², 500°F, and a velocity of 100 ft/s entering a nozzle operating at steady state and expanding adiabatically to the exit, where the pressure is 40 lb/in². The isentropic nozzle efficiency is 85.0%. Determine the velocity of the steam at the exit, in ft/s, and the rate of entropy production, in Btu/min.°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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Consider 5.2 pounds per minute of water vapor at 100 lbf/in², 500°F, and a velocity of 100 ft/s entering a nozzle operating at steady
state and expanding adiabatically to the exit, where the pressure is 40 lb/in². The isentropic nozzle efficiency is 85.0%.
Determine the velocity of the steam at the exit, in ft/s, and the rate of entropy production, in Btu/min.°R.
Step 1
Determine the velocity of the steam at the exit, in ft/s.
Your answer is correct.
V₂ = 1907.37033530460465 ft/s
Hint
Step 2
* Your answer is incorrect.
Determine the rate of entropy production, in Btu/min.°R.
Attempts: 2 of 3 used

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