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Refrigerant 134a undergoes a constant-pressure process at 1.4 bar from T1 20C to saturated vapor. Determine the work for the process, in kJ per kg of refrigerant.
Two pounds mass of Refrigerant 134a, initially at p1 180 lbf/in.2 and T1 120F, undergo a constant-pressure process to a final state where the quality is 76.5%. Determine the work for the process, in Btu.
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Order Paper NowWater vapor initially at 3.0 MPa and 300C is contained within a piston–cylinder assembly. The water is cooled at constant volume until its temperature is 200C. The water is then condensed isothermally to saturated liquid. For the water as the system, evaluate the work, in kJ/kg.
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