EML-3100 Midterm: Exam 3 Spring 2009
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. Not following those requirements will result in reduced or no credit: (5%) helium in an adiabatic container is compressed reversibly from 25 c to 300 c. The work that must be done to do so is kj/kg: (5%) one of the following heat pumps is possible, one does not satisfy the rst law, and one does not satisfy the second law. 1000 kpa, it will need changes: (5%) a 2 kg iron cast piece cools down from its 1800 k melting point to the ambient temperature of.
