Thermodynamics Exam 2, Exams of Thermodynamics

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EXAM 2 Name: Manda ZemboA- MECH-320 Thermodynamics — May 10, 2018 Class Time:_/o'r.5 - (2) 20 Prof. Randall S. Beikmann, Kettering University Except for the multiple choice questions, you must show your work, or explain your answers. You must include the proper units. ‘ Closed book, closed notes, one handwritten “cheat sheet” allowed. Le Write clearly and neatly! 32. Do not assume ideal gas properties unless it says so in the problem. AF Part 1 - Multiple Choice Questions: Circle the best answer. (15 points combined) To increase the temperature of a liquid, you can a. Do work on it by stirring it. b. Transfer heat to it. c. Liftit and its container. « ) Answers (a) and (b). When a substances condenses from a saturated vapor to a saturated liquid at constant temperature, a. Its specific volume increases. » — ity i x {PY Its density increases. | ek uy ¥ c. Its internal energy remains constant. + a d. Its pressure increases. » The total energy within a general closed system is equal to the sum of + KE PE . a. Its enthalpy, kinetic energy, and potential energy b. The heat \egnsferred intg ifduring a process, and the work done by it. x~ © Its internal energy, kinetic energy, and potential energy. d. Its internal energy and potential energy. u