102A Practice Midterm 1 - temperature of the gas in the...

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Eng 102 A Midterm #1 (Thursday, Nov 8, 2007) Closed Books Closed Notes 1. Define the follow concepts (20 points): System, surrounding, open system, closed system, isolated system, adiabatic system Internal energy, external energy, heat, work Intensive variables & extensive variables Ideal gas, Cp, Cv
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2. A turbine expand steam with high temperature and pressure to low temperature and pressure. 1) Setup the mass balance and energy balance and 2) estimate the maximum work the turbine may be generated. (20 points)
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