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sample test - MEEN 315Fall 2007 Exam 1 Section Number Name...

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MEEN 315—Fall 2007, Exam 1 Name _____________________________ Section Number_________________ 1 1. Put name on every page. 2. RELAX, this is only an exam. Read over the whole exam, then decide which problem to work first. 3. Exam is closed book and notes. Tables provided by instructor. No collaboration with others! 4. Include a sketch, and clearly state assumptions and equations used on problems requiring detailed analysis. 5. If you get stuck on a problem, go to the next one. 6. Problems must be worked in the unit system in which they are specified. Failure to do so will result in a lower score. 7. Assure that you have 10 different pages, including the formula sheet as the last page. There is a blank page after one problem in case more space is needed. AN AGGIE DOES NOT LIE, CHEAT, OR STEAL

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MEEN 315—Fall 2007, Exam 1 Name _____________________________ Section Number_________________ 2 I. Multiple choice problems worth 2 pts each. Circle the answer that is the most appropriate or closest (numerically) to your answer. 1. What does not cross closed system boundaries? A. Mass B. Energy C. Work D. Heat 2. Select the correct statement: A. Temperature always is constant when a system is in mechanical equilibrium. B. Properties do not change with location over a specified region in a system undergoing a steady flow process. C. An isobaric process occurs when temperature is held constant. D. Temperature and specific volume for a simple, compressible system are independent. 3. When the atmospheric pressure is 10 5 Pa, the “gage” pressure in the figure is … A. 10 5 Pa B. 0 Pa C. ρ water g h D. 10 5 + water g h Pa
MEEN 315—Fall 2007, Exam 1 Name _____________________________ Section Number_________________ 3 4. The first law of thermodynamics is also known as A. Zeroth law of thermodynamics B. Law of conservation of energy C. Newton’s law D. Principle of corresponding states 5. A substance can directly convert from its solid phase to vapor phase if its: A. Temperature is above critical point temperature.

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sample test - MEEN 315Fall 2007 Exam 1 Section Number Name...

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