Mass Transfer MCQ Questions & Answers | Chemical Engineering

A. Size of component molecules are not equal

B. Attractive forces between like and unlike molecules in the solution are approximately equal

C. Component molecules are nonpolar

D. Chemical combination or molecular association between unlike molecules takes place in the formation of solution

A. Gilliland

B. Hirschfelder

C. Wilke and Chang

D. None of these

A. Absorption factor is constant, when the equilibrium and operating lines are straight

B. In case of a stripper, the equilibrium curve is always below the operating line

C. In case of an absorber, the operating line is always above the equilibrium curve

D. In the absorption of low solubility gases, the liquid film is the controlling resistance

A. 3

B. 2

C. 4

D. 1

A. Viscosity

B. Density

C. Solubility

D. Relative volatility

A. $$\frac{\mu }{{\rho \,{{\text{D}}_{{\text{AB}}}}}}$$

B. Re × Pe

C. Sh × Pe

D. $$\frac{{{\text{Re}}}}{{{\text{Pe}}}}$$

A. Liquid-liquid extraction

B. Solid-liquid extraction

C. Multicomponent absorption with chemical reaction

D. Multicomponent distillation

A. Is of low volatility

B. Forms a low boiling azeotrope

C. Forms a high boiling azeotrope

D. Does not alter the relative volatility of the original components

A. Changes the relative volatility of the original components

B. Should be of high volatility

C. Should form azeotropes with the original components

D. All of the above

A. Wetted wall

B. Seive/perforated tray

C. Bubble cap

D. Packed