Your colleague from a non-thermodynamics background, has asked you to explain to him/her how the efficiency of a refrigeration cycle could be higher than unity and does not contradict the 2nd law of thermodynamics.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter1: Basic Modes Of Heat Transfer
Section: Chapter Questions
Problem 1.75P: Referring to Problem 1.74, how many kilograms of ice can a 3-ton refrigeration unit produce in a...
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Your colleague from a non-thermodynamics background, has asked you to explain to him/her how the efficiency of a refrigeration cycle could be higher than unity and does not contradict the 2nd law of thermodynamics.

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