A. μ/ρDAB
B. Re × Pe
C. Sh × Pe
D. Re/Pe
Schmidt number is given by ___________________? Read More »
Mass Transfer A. Higbie
B. Fick
C. Ergun
D. Levenspiel
_______________ developed the film theory ? Read More »
Mass Transfer A. Provides poorer contact between the fluids
B. Gives lower pressure drop
C. Both A. and B.
D. Gives higher pressure drop
Stacked packing compared to dumped packing_________________? Read More »
Mass Transfer A. Incurs smaller pressure drop
B. Allows installation of cooling coils
C. Is less costly when built in large sizes/diameters
D. Is more suitable, if suspended solids are present in fluid streams
A. All liquid solutions
B. Non-ideal solution only
C. Non-volatile solute
D. Solvents
Raoult’s law applies to the___________________? Read More »
Mass Transfer A. Low vapour pressure
B. Low velocity
C. Low freezing point
D. None of these
Which of the following is an undesirable property for an absorbing solvent ? Read More »
Mass Transfer A. Leaching
B. Adsorption
C. Steam distillation
D. Multi-component absorption
Langmuir equation is associated with________________________? Read More »
Mass Transfer A. Mixer-settler extractor
B. Rotating-disc contactor
C. Pulsed column extractor
D. Bollman extractor
Radioactive nuclear waste is treated in____________________? Read More »
Mass Transfer A. Line always lies above the equilibrium curve
B. Line always lies below the equilibrium curve
C. Line can be either above or below the equilibrium curve
D. Velocity is more than the loading velocity
In case of an absorber, the operating _______________? Read More »
Mass Transfer A. Tunnel
B. Tray
C. Rotary
D. None of these
