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An adiabatic vessel contains steam at 180 [C] and 116 [kPa]. The volume is 0.5 [m^3]. Steam at 150 [C] with a quality of 0.85 is fed into the vessel until the flow stops.
1) What are the final pressure and temperature inside the tank?
2) What is its quality, and is it greater than, equal to, or less than the initial quality? Why?
3) Find the minimum quality in the feed stream needed to ensure that no liquid water remains after filling the tank.
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