For which of the following unit operations, Lewis number is of significance ?

Related Mcqs:

Plate efficiency_______________________?

A. Is a function of the mass transfer between liquid and vapour B. Increases due to foaming C. Increases due to liquid entrainment D. Increases due to weeping and dumping of liquid...

Component A is diffusing in a medium B. The flux NA relative to a stationary point is equal to the flux due to molecular diffusion, if____________________?

A. Mass transfer is accompanied by reaction B. Diffusion of A is in stagnant medium B C. Molecular mean free path is high D. There is equimolar counter diffusion...

The equilibrium liquid composition compared to the vapor composition in case of________________?

Azeotropic mixture is A. More B. Less C. Same D. Either more or less; depends on the system...

Absorption factor, for a fixed degree of absorption from a fixed amount of gas should be_________________?

A. 1 B. > 1 C. < 1 D. ≤ 1...

Selectivity of the solvent used in solvent extraction should be)_________________?

A. 1 B. > 1 C. < 1 D. 0...