Solved: Consider two systems that are at the same pressure

Chapter 8, Problem 86C

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QUESTION:

A refrigerator has a second-law efficiency of 28 percent, and heat is removed from the refrigerated space at a rate of . If the space is maintained at  while the surrounding air temperature is , determine the power input to the refrigerator.

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QUESTION:

A refrigerator has a second-law efficiency of 28 percent, and heat is removed from the refrigerated space at a rate of . If the space is maintained at  while the surrounding air temperature is , determine the power input to the refrigerator.

ANSWER:

Step 1 of 4

The second-law efficiency of a refrigerator and the refrigeration rate are given.Refer to below figure.

The power input to the refrigerator is to be determined.

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