MAE 221 Final Fall 2006

MAE 221 Final Fall 2006 - MAE 221 Thermodynamics Final Fri,...

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MAE 221 Thermodynamics Final Fri, 19 January, 2007 In Class: 7:30pm – 10:30pm (3 hrs) FC006 Closed Notes and Closed Book For maximum credit, be sure to state your assumptions and justify any approximations or simplifications. Your reasoning should be clear. Note that all of the supplied tables may not be required to solve the problem(s). The following are supplied: Conversion Factors Constants Symbols Tables (whole or portions) Table A-1: Atomic or Molecular Weights and Critical Properties of Selected Elements and Compounds Table A-2 and A-2E Properties of Saturated Water (Liquid-Vapor) Temperature Table Table A-3: Properties of Saturated Water (Liquid-Vapor) Pressure Table Table A-8 R-22 Saturated Pressure Table Table A-9 R-22 Superheated Vapor Table A-13: Properties of Saturated Ammonia (Liquid-Vapor): Temperature Table Table A-22 and A-22E Ideal Gas Properties of Air 1
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Problem 1. (20%) a) (2%) What does the area enclosed by a given cycle represent on a p-v diagram, and on a T-s diagram? b) (5 %) Consider a piston in a cylinder. A saturated liquid is contained within the device at room temperature and pressure. Heat is then added until a saturated vapor state exists. Is the heat converted entirely to work? Explain. c)
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MAE 221 Final Fall 2006 - MAE 221 Thermodynamics Final Fri,...

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