A refrigeration system requires 1.5 kW of power for a refrigeration rate of 4 kW. (a) What is the coefficient of performance? (b) How much heat is rejected in the condenser? (c) If heat rejection is at 313.15 K (409C), what is the lowest temperature the system can possibly maintain?

Introduction to Chemical Engineering Thermodynamics
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Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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A refrigeration system requires 1.5 kW of power for a refrigeration rate of 4 kW.
(a) What is the coefficient of performance?
(b) How much heat is rejected in the condenser?
(c) If heat rejection is at 313.15 K (409C), what is the lowest temperature the system
can possibly maintain?

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