Question

42. The coefficient of performance of a carnot
refrigerator is 7. If the temperature inside the freezer
is -7°C, then temperature of the surrounding to
which it rejects heat, is
(1) 47°C
(2) 37°C
(3) 50°C
(4) 31°C​

Answer 1

Answer:

31 degree celcius temperature

Answer 2

Answer:

31° Celsius.

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