ME 2334 : Maris QUIZ 06 Fall 2015 Solution
Document Summary
Quiz 06 (announced) 151002 dr. maris. Instructions: show all work and state all assumptions. Incomplete work (even with correct numeric answers) will not receive full credit: no internet assisted devices of any kind including cell phones, smart watches. Use of such devices will result in a zero grade. A heat engine distributes its work equally to a refrigerator and a heat pump. The heat from the low temperature reservoir of the heat pump is equal to the work input to the refrigerator. The heat rejected by the refrigerator is four time the heat absorbed by the heat pump. The heat rejected by the heat engine is equal to the heat absorbed by the refrigerator. (a) determine which of these three cycles (if any) violate the 1st and/or 2nd law of thermodynamics. For each cycle clearly indicate which law(s) is violated and explain why. (b) for each feasible cycle (if any) determine either the coefficient of performance or efficiency.
