Category: Mass Transfer

A. The pressure drop and hence the pumping cost will be very high
B. It cannot be recovered by distillation
C. Its recovery cost by distillation may be prohibitively high
D. It will decompose while recovering by distillation

A. Increases
B. Decreases
C. Remains unchanged
D. Depends on the pressure of the system

A. Substances from non-volatile impurities
B. Volatile impurity from still higher boiling substances
C. Both A. and B.
D. Neither A. nor B.

A. Composition
B. Temperature
C. Total pressure
D. All A., B. and C.

A. Heat gain or loss
B. Flow rate of entering liquid
C. Flow rate of gas
D. None of these

A. Evaporation
B. Sublimation
C. Dehydration
D. Adsorption

A. Extracting solvent is cheaply & abundantly available
B. One of the liquid components is heat sensitive
C. Viscosity of liquid components is very high
D. One of the liquid components has very high affinity towards the solvent

A. Dissolving gold from ores
B. Dissolving pharmaceutical products from bark or roots
C. Dissolving sugar from the cells of the beet
D. Removing nicotine from its water solution by kerosene

A. Liquid-liquid extraction
B. Solid-liquid extraction
C. Multi-component absorption with chemical reaction
D. Multi-component distillation

A. Increasing the air velocity and area of exposed wet surface
B. Reducing the barometric pressure
C. Reducing the humidity of the air
D. All A., B. and C.