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Engineering and Tech / Fundamentals of Thermodynamcs 8 / Chapter 5 / Problem 101HP

Fundamentals of Thermodynamcs | 8th Edition | ISBN: 9781118131992 | Authors: Claus Borgnakke, Richard E. Sonntag

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A 4L jug of milk at 25°C is placed in your refrigerator,

Chapter 5, Problem 101HP

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Problem 101HP

A 4L jug of milk at 25°C is placed in your refrigerator, where it is cooled down to 5°C. The high temperature in the Carnot refrigeration cycle is 45°C, the low temperature is −5°C, and the properties of milk are the same as those of liquid water. Find the amount of energy that must be removed from the milk and the additional work needed to drive the refrigerator.

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QUESTION:

Problem 101HP

A 4L jug of milk at 25°C is placed in your refrigerator, where it is cooled down to 5°C. The high temperature in the Carnot refrigeration cycle is 45°C, the low temperature is −5°C, and the properties of milk are the same as those of liquid water. Find the amount of energy that must be removed from the milk and the additional work needed to drive the refrigerator.

ANSWER:

Solution

Step 1 of 3

We need to find out the energy removed from the milk and the and the additional work needed.

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