A beverage can with a diameter of 65 mm and a height of 120 mm has a uniform temperature of 5°C when it is removed from the refrigerator. The can is set on a table in a room with an ambient air temperature of 32°C and a relative humidity of 75%. Estimate the condensation rate assuming
(a) Drop wise condensation and
(b) Film condensation. Compare the rates and explain under what conditions drop wise condensation can occur.