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1. |
An air-conditioner provides 1 kg/s of air at 15°C cooled from outside atmospheric air at 35°C. Estimate the amount of power needed to operate the air-conditioner?# |
A. | 1.09 kW |
B. | 1.19 kW |
C. | 1.29 kW |
D. | 1.39 kW |
Answer» E. | |