Find the Carnot coefficient of performance Steve Gibbs Saylor Thermal

Question 7 / 33: Find the Carnot coefficient of performance for a refrigeration system operating between 320°K and 285°K.

A 6.5

B 8.14

C 0.12

D 0.16

E 3.0

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Explanation:

The Carnot COP is the inverse of the cycle efficiency. For refrigeration, it is T_cold/(T_hot-T_cold) = 285/35 = 8.14.

Quiz Home Page

https://www.jobilize.com/thermal-fluid-systems-mcq-quiz-by-dr-steve-gibbs

Author:

Dr.Steve GibbsProfessor

The Saylor Foundation

USA

Access: Public Instant Grading

Attribution: Dr. Steve Gibbs. Thermal-Fluid Systems. The Saylor Academy 2014, http://www.saylor.org/courses/me303/

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