Category: Mass Transfer

A. Low vapour pressure
B. Low velocity
C. Low freezing point
D. None of these

A. 0.50
B. 0.60
C. 1
D. 2

A. Danckwerts
B. Toor and Marcello
C. Higbie
D. Kissinevskii

A. Solvent extraction
B. Continuous distillation
C. Evaporation
D. Absorption

A. Equal to the heat of formation of surface compound
B. Equal to the heat of wetting
C. Zero
D. Called integral heat of adsorption

A. Differential
B. Flash
C. Equilibrium
D. Molecular

A. Having very close boiling points
B. Which form maximum boiling azeotrope
C. Having very wide boiling points
D. Which form minimum boiling azeotrope

A. Rapid absorption rates and good heat transfer characteristics
B. Improved flooding characteristics
C. Low pressure drop on pumping
D. All A., B. and C.

A. Vapour is enriched with low boilers
B. Vapour is enriched with high boilers
C. Liquid is stripped of high boilers
D. None of these

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