Aresidential heat pump has a coefficient of performance of 1.49 how much heating effect, in kj/h, will result when 4 kw is supplied to this heat pump?

21.456 kJ/h

Explanation:

See the figure attached. In this case  

Coefficient of performance in heat pump is defined by

Now it is necessary to change units, remember that Watt (W) is defined as J/s

answer: 500 wph.

explanation:

answer:

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