A refrigerating machine in heat pump mode has a C.O.P. of 4. If it is worked in refrigerating mode with a power input of 3 kW, what is the heat extracted from the food kept in a refrigerator?

A refrigerating machine in heat pump mode has a C.O.P. of 4. If it is

1.	A refrigerating machine in heat pump mode has a C.O.P. of 4. If it is worked in refrigerating mode with a power input of 3 kW, what is the heat extracted from the food kept in a refrigerator?
A.	180 kJ/min
B.	360 kJ/min
C.	540 kJ/min
D.	720 kJ/min
Answer» D. 720 kJ/min

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A refrigerating machine in heat pump mode has a C.O.P. of 4. If it is worked in refrigerating mode with a power input of 3 kW, what is the heat extracted from the food kept in a refrigerator?

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