Alpha Geek

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    Polytechnic State University Sanluis
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Category > Engineering Posted 07 Jun 2017 My Price 3.00

An office building is cooled with an air conditioning (A/C) system having a COP

An office building is cooled with an air conditioning (A/C) system having a COP = 3. Electricity costs $0.10/kWh plus demand charges of $10/mo-kW. Suppose a 100-W computer is left on 8 hs/day, 5 days/week, 50 weeks/yr, during which time the A/C is always on and the peak demand occurs.

a. Find the annual cost of electricity for the computer and its associated air conditioning.

b. Find the total electricity cost per kWh used by the computer. Compare that with the 10¢/kWh cost of electric energy.

 

Answers

Alpha Geek
(8)
Status NEW Posted 07 Jun 2017 09:06 AM My Price 3.00

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