Question

A refrigerator is maintained at 4˚C by removing heat from it at a rate of 8 kW. If the required power input to the refrigerator is 2.5 KW, determine (a) the COPR and (b) the rate of heat rejection to the room that houses the refrigerator

Answer 1

Answer is given below:

The food compartment of a refrigerator, is maintained at 

4°C by removing heat from it at a rate of 360 kJ/min. If the required power 

input to the refrigerator is 2 kW, determine (a) the coefficient of performance 

of the refrigerator and (b) the rate of heat rejection to the room that 

houses the refrigerator.