Engineering, 12.02.2020 04:57 azelyanoel
A household refrigerator that has a power input of 450 W and a COP of 1.55 is to cool five large watermelons, 10 kg each, to 8°C. If the watermelons are initially at 28°C, determine how long it will take for the refrigerator to cool them. The watermelons can be treated as water whose specific heat is 4.2 kJ/kg·°C. Is your answer realistic or optimistic?Explain
Answers: 3
=450 W
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A household refrigerator that has a power input of 450 W and a COP of 1.55 is to cool five large wat...
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