Question

According to Nusselt’s film theory, the film thickness decreases as we move from bottom to top. The heat transfer increases.

(a) True

(b) False

I have been asked this question by my school principal while I was bunking the class.

The above asked question is from Unit Operations topic in section Heat Transfer by Conduction, Convection and Radiation of Food Engineering

Answer 1

Correct option is (b) False

For explanation I would say: According to Nusselt’s film theory, the film thickness increases as we move from bottom to top. The heat transfer decreases.