A heat pump and a refrigerator are operating between the same two thermal reservoirs. Which one has a higher COP?
1 answer:
Answer:
Heat pump
Explanation:
COP:
As we know that COP can be defines as the ratio of desired effect to the work in put.
The desired effect can be different for heat pump our desired effect to heat the space and for refrigeration our desired effect is cooled the space.
So
When heat pump and refrigerator are operating with same temperature limits then from expression we can say that
COP of heat pump = 1 + COP of refrigeration.
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Answer:
Explanation:
Floor Load:
Lo= 50psf
At= 25x25 = 625 square feet
= 13.1psf
%reduction= 13.1/50 = 26%
Fr= 3[(13.1psf)(25ft)(25ft)+(20psf)(25ft)(25ft)]= 62k
Answer:- 400 K - 26.665
600 K - 53.67
Explanation: y−y1=(y2−y1)/(x2−x1)×(x−x1)
Basic usage of the interpolation formula to get the values of the required answers kinematic viscosities at 400 and 600 K
