Question

Statement 1: Diffusion is faster than convective mass transfer.

Statement 2: Mass transfer is proportional to the area of contact.

(a) True, False

(b) True, True

(c) False, False

(d) False, True

I got this question in an internship interview.

I want to ask this question from Unit Operations in section Heat Transfer Equipment, Microwave Heating, Evaporation, Diffusion and Mass Transfer and Dehydration of Food Engineering

Answer 1

Right option is (d) False, True

For explanation: Convective mass transfer is faster than diffusion.  Mass transfer is proportional to the area of contact.