the base and the vertical walls of an open
thin walled metail tank, filled with water
maintain at 35°C, are lagged with
lagged with a layer of
Carle. Of Superficial. area 2.00m^2 and 1cm thick
and the water Surface is exposed Heat is
Supplied electronically to the water at the rate of
250 watts Find the mass of water that will evaporate.
per day, if the outside surface of the cork is at 15 degree Celsius
[Assume that the thermal conductivity of the
Cork is 5.0 X 10 ^-2
Hm¹k" and that the latent heart
of vaporization of water at 35°C is 2520 J.g-¹]