Quiz4 - Show Process 1 to 2 on the P-v diagram Write a...

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Quiz#4 AME230 Monday Feb. 18 2008 N a m e : Two kilograms of Refrigerant 134a, initially at 2 bar and occupying a volume of 0.12 m 3 , undergoes a process at constant pressure until the volume has doubled. Kinetic and potential energy effects are negligible. Determine the work and heat transfer for the process, each in kJ. Sketch the system and define boundaries. Show all energy changes and interactions on the sketch. Define properties that fix State 1 Define properties that fix State 2 Sketch three isotherms on a P-v diagram, clearly indicating which isotherms are the higher temperatures Show States 1 & 2 on a P-v diagram
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Unformatted text preview: Show Process 1 to 2 on the P-v diagram Write a statement in words for the 1 st Law Write the equation form of the 1 st Law that corresponds to the word statement and the energy interactions defined above for your system Simplify the 1 st Law equation appropriately Determine the work done by the system for process 1 to 2 Determine the heat transfer for process 1 to 2 1 bar = 10 5 N/m2 1 kJ = 10 3 N*m Table A-11 Properties of Saturated Refrigerant 134a (Liquid Vapor): Pressure Table Table A-12 Properties of Superheated Refrigerant 134a Vapor...
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Quiz4 - Show Process 1 to 2 on the P-v diagram Write a...

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