1.

A refrigerator is to maintain eatables kept inside at 9°C. If room temperature is 36° C. Calculate the coefficient of performance.

Answer»

Given:

T1 = 36°C = (36 + 273) = 309 K

T2 = 10°C = (10 = 273) = 283 K

⇒ Cop = T2/T- T1 = 283/309 - 283 = 283/26 = 10.9.



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