A computer lab filled with 20 computers and 15 students is cooled by an air conditioning unit on a day where it is 90 oF outside. The room temperature is 72 oF. Assume an average student generate 90 W of heat and each computer generates 150 W of heat. If the COP of the air conditioner is 2.5, what power input is required, in kW? If the air conditioner operated at its maximum coefficient of performance, what power input would be required?

Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter35: Comfort And Psychrometrics
Section: Chapter Questions
Problem 12RQ: A gas furnace has an output of 60,000 Btu/h. The return air temperature is 72F, and the temperature...
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A computer lab filled with 20 computers and 15 students is cooled by an air conditioning
unit on a day where it is 90 oF outside. The room temperature is 72 oF. Assume an average
student generate 90 W of heat and each computer generates 150 W of heat. If the COP of
the air conditioner is 2.5, what power input is required, in kW? If the air conditioner
operated at its maximum coefficient of performance, what power input would be required?

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