EML-3100 Final: Final Exam Spring 2007
Document Summary
Put your answers on the same sheet as the question, You must give the units of your answers. Encircle the right answer number in multiple choice. To correct, erase the wrong circle as well as you can and encircle the corrected answer number twice. For questions asking a number, putting the clear correct formula(s) below the question might result in partial credit even if the answer is wrong. Now we reduce the pressure as much as possible in a reversible way. The internal energy of the air will be increasing at a rate of kj/kg-h: (3%) an oil pump compresses engine oil from 100 kpa to 300 kpa at low velocity and without height changes. The work the oil pump must do is about kj/kg: (3%) when 1 kg of boiling water cools down to the kitchen temperature of 27 c, the generated entropy is about kj/k. 1/4: (3%) it is -10 c outside and 25 c inside.
