Question

What is the value of diffusivity for water?

(a) 0.233

(b) 0.256

(c) 0.276

(d) 0.298

I had been asked this question in an internship interview.

Asked question is from Diffusivity at 25 Degree Celsius and 1 atm Pressure topic in division Modes and Diffusion of Mass Transfer

Answer 1

Right answer is (b) 0.256

Best explanation: It is transparent in the visible electromagnetic spectrum. It has high specific heat capacity and latent heat of vaporisation. Its unit is cm    ^2/s.