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A piston-cylinder device initially contains 0.15-kg steam at 3.5 MPa, superheated by 5C. Now the steam loses heat to the surroundings and the piston moves down, hitting a set of stops at which point the cylinder contains saturated liquid water. The cooling continues until the cylinder contains water at 200C. Determine (a) the final pressure and the quality (of mixture), (b) the boundary work, (c) the amount of heat transfer when the piston first hits the stops, (d) and the total heat transfer.
many important engineering structures are often coated in a protective paint layer of some kind. this is not simply to
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a. show that the rate at which shaft work is obtained or required for a reversible change of state in a closed system
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