Mass Transfer MCQs

Recovery of valuable solvent vapors from dilute mixture with air and other gases

Dehumidification of air and gas

Removal of objectionable odour and impurities from industrial gases

Decolouration of yellow glycerene

Saturated feed is not used

An azeotrope forms

The latent heat of vaporisation of the more and less volatile components are greatly different

A total condenser is used

Ethanolamine

K₂CO₃

HCl

Vacuum gas oil

Zero

Infinity

Unity

Data insufficient

1

1 to 5

5 to 10

> 10

Absorption factor

Brinkman number

Slope of operating line in absorber

Slope of operating line in stripper

Pressure

Temperature

Nature of the components

None of these

(De.t)1/2

(De/t)1/2

(4De/πt)1/2

(4De/t)

3

2

4

1

√T

T

T1.5

T3