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Bananas are to be cooled from 28°C to 12°C at a rate of 1140 kg/h by...

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Mechanical Engineering

Bananas are to be cooled from 28°C to 12°C at a rate of 1140kg/h by a refrigerator that operates on a vapor-compressionrefrigeration cycle. The power input to the refrigerator is 9.8 kW.Determine (a) the rate of heat absorbed from the bananas, in kJ/h,and the COP, (b) the minimum power input to the refrigerator, and(c) the second-law efficiency and the exergy destruction for thecycle. The specific heat of bananas above freezing is 3.35kJ/kg·°C.

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