1000+ Mass Transfer Objective Type Questions and Answers - 2

Question: 6

Separation of a mixture of two gases by absorption in the liquid solvent depends upon the difference in their

(A) relative volatility

(B) solubility

(C) viscosity

(D) density

Question: 7

Physical adsorption is

(A) nonspecific and significant at high temperature

(B) specific and significant at low temperature

(C) specific and significant at high temperature

(D) nonspecific and significant at relatively low temperatures

Question: 8

In case of non-ideal gases and liquids, the molal diffusivity

(A) is equal to the volumetric diffusivity

(B) is independent of pressure

(C) varies directly as the pressure

(D) varies inversely as the pressure

Question: 9

Separation of two or more components of a liquid solution cannot be achieved by

(A) absorption

(B) evaporation

(C) liquid extraction

(D) fractional crystallisation

Question: 10

For absorbing a sparingly soluble gas in a liquid, the

(A) gas side coefficient should be decreased

(B) liquid side coefficient should be decreased

(C) gas side coefficient should be increased

(D) liquid side coefficient should be decreased