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A window-mounted air-conditioner unit is placed on a laboratory bench and tested in cooling mode using 750 W of electric power with a COP of 1.75. What is the cooling power capacity and what is the net effect on the laboratory

Respuesta :

Answer:

[tex]Desired\ effect=1312.5\ W[/tex]

The net effect on the laboratory is cooling of the space.

Explanation:

Given:

power used by the air conditioner, [tex]P_i=750\ W[/tex]

coefficient of performance, [tex]COP=1.75[/tex]

We know that:

[tex]\rm COP=\frac{desired\ effect}{Power\ consumed}[/tex]

Therefore the cooling power capacity:

[tex]\rm Desired\ effect=COP\times power\ consumend[/tex]

[tex]Desired\ effect=1.75\times750[/tex]

[tex]Desired\ effect=1312.5\ W[/tex]

The net effect on the laboratory is cooling of the space.

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