Question

At which point of the following locations in the tapered tube of the previous problem is the magnitude of the flux maximum?

(a) At the larger diameter end

(b) At the smaller diameter end

(c) Midway in the tube

(d) Somewhere in between the midway and the larger diameter end

The question was asked in an interview for job.

My question comes from Diffusion through Variable Area topic in division Diffusion in Solids and Molecular Diffusion in Fluids of Mass Transfer

Answer 1

Right answer is (b) At the smaller diameter end

To explain I would say: None.