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Answers to Nov. 4, 1998 Exam
1a) You need to show all your work for full credit
| Process |
Q (kJ) |
W (kJ) |
DU (kJ) |
| 1 - 2 |
11.3 |
0 |
11.3 |
| 2 - 3 |
0 |
9.6 |
9.6 |
| 3 - 4 |
-38.9 |
18 |
-20.9 |
| 4 - 1 |
14.9 |
-14.9 |
0 |
| Total |
-12.7 |
12.7 |
0 |
1b) Heat Pump, COP = 3.06
2a) 0.102 kg/s
2b) 113.6 A
3a) 0.078 kg
3b) impossible
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