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2. (37%) A cylinder fitted with a massless frictionless piston contains 0.70kg of refrigerant R134a. The cylinder is submerged in a deep pool of water
2. (37\%) A cylinder fitted with a massless frictionless piston contains 0.70kg of refrigerant R134a. The cylinder is submerged in a deep pool of water (not to scale) where the absolute pressure is 280kPa. Initially the piston is seated on a set of stops with the R-134a at a temperature of 8C and a volume of 0.053m3. After some time has passed, the temperature of the R-134a rises to the temperature of the surrounding water, 40C through heat transfer. Find: a) The depth of the cylinder in the water (m). b) The initial pressure of the R-134a (kPa) c) The temperature of the R-134a at which the piston would just start to move (C). d) The final volume of the R-134a (m3). e) The work (if any) for the R-134a (kJ). f) The heat transfer (kJ). g) Draw a qualitative sketch of the P-v diagram showing the process steps. Show the vapor dome and the locations of the initial and final states. T1=8CT2=40CV1=.053m3V2=?bs=280kPa
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