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1. |
100 kJ of energy is transferred from a heat reservoir at 1000 K to a heat reservoir at 500 K. The ambient temperature is 300 K. The loss of available energy due to heat transfer process is |
A. | 20 kJ |
B. | 30 kJ |
C. | 40 kJ |
D. | 50 kJ |
E. | 60 kJ |
Answer» C. 40 kJ | |