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Question: consider 50 pounds per minute of water vapor at 100...

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Consider 5.0 pounds per minute of water vapor at 100 lbf/in2, 500oF, 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 lbf/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·oR.

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