The power per tonne of refrigeration is

The power per tonne of refrigeration is

Right Answer is:

3.5/C.O.P.

SOLUTION

Coefficient of Performance  is given by

C.O.P = Desired Effect/Pin

Now

Desired effect = 1 TR = 3.5 kW

C.O.P = Desired Effect/Pin

C.O.P = 3.5 kW/Pin

Pin =3.5 kW/C.O.P

∴The power per tonne of refrigeration is 3.5/C.O.P.

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