Macroporic surrounding of microscopic pellets powders of different magnitude in size is _______
(a) Disperse
(b) Bi-disperse
(c) Tri-disperse
(d) None of the mentioned
This question was addressed to me in final exam.
My enquiry is from Molecular Diffusion in Solids in division Diffusion in Solids and Molecular Diffusion in Fluids of Mass Transfer