PROBLEM 2 A household refrigerator has a coefficient of performance of 3 and requires a net power input of 0.8 kW. Question: (a) Determine the rate of heat transfer removed from the refrigerated space. (b) Determine the rate of heat transfer discharged from the refrigerator to the surrounding kitchen. (c) Determine the annual cost in $ for supplying power to the refrigerator assuming 24/7 operation and a cost of 12 cents per kWh.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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PROBLEM 2
A household refrigerator has a coefficient of performance of 3 and requires a net power
input of 0.8 kW.


Question:
(a) Determine the rate of heat transfer removed from the refrigerated space.
(b) Determine the rate of heat transfer discharged from the refrigerator to the
surrounding kitchen.
(c) Determine the annual cost in $ for supplying power to the refrigerator assuming
24/7 operation and a cost of 12 cents per kWh.

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