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Consider 4.0 pounds per minute of water vapor at 100 lbf/in2, 500oF, and a velocity of 100...

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Mechanical Engineering

Consider 4.0 pounds per minute of water vapor at 100lbf/in2, 500oF, and a velocity of100 ft/s entering a nozzle operating at steady state and expandingadiabatically to the exit, where the pressure is 40lbf/in2. The isentropic nozzle efficiency is95.0%.  

(a) Determine the velocity of the steam at the exit, inft/s.

(b) Determine the rate of entropy production, inBtu/min·oR.

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