Question:
Define :
i) Tonnage of refrigeration ii) Coefficient of performance.
Answer:
i) Tonnage of Refrigeration – is defined as the amount of refrigeration effect produced by uniform melting of one ton (1000Kg) of ice from and at 00 in 24 hours. .
ii) Coefficient of performance- is the ratio of heat extracted in refrigerator to work done on the refrigerant