Engineering Board Exam Reviewer · Thermodynamics · hard

Steam enters an adiabatic nozzle at 30 m/s with h = 3200 kJ/kg and leaves with h = 2900 kJ/kg. What is the exit velocity?

  1. 775.2 m/s
  2. 774.6 m/s
  3. 54.5 m/s
  4. 577.7 m/s

Answer

A. 775.2 m/s

Solution

V2 = V12 + 2(h1 - h2) = 302 + 2(300,000) = 775.2 m/s.

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