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1. |
Heat transfer in a cyclic process are +20 kJ, -5 kJ, -10 kJ and +15kJ. Net work done for this cycle will be given by: |
A. | +5 kJ |
B. | -10 kJ |
C. | +20 kJ |
D. | -20 kJ |
Answer» D. -20 kJ | |