1.

Ice in cold storage melts at the rate of 3 kg per hour. The temperature outside is 27^(@)C. Find the minimum power output of a motor used to drive the refrigerator, which just prevents ice from melting.Latent heat of ice 80 cal g^(-1), J=4.2xx10^(7) erg cal^(-1). given 1h.p. =746 W.

Answer»


ANSWER :0.0371 h.p.


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