A. Rectification
B. Absorption
C. Ion-exchange
D. Adsorption
Deaeration (removal of O2) of water is done by_________________? Read More »
Mass Transfer A. Unsaturated surface
B. Constant rate
C. Both A. and B.
D. Neither A. nor B.
A. Temperature
B. Viscosity of solvent
C. Pressure
D. Size of the solid
Rate of leaching increases with increasing______________________? Read More »
Mass Transfer A. Cold water leaving the tower and the wet bulb temperature of the surrounding air
B. Hot water entering the tower and the wet bulb temperature of the surrounding air
C. Hot water entering the tower and the cooled water leaving the tower
D. None of these
A. Murphree efficiency > point efficiency
B. Murphree efficiency < point efficiency
C. Murphree efficiency = point efficiency
D. Murphree efficiency ≠ point efficiency
When the liquid over a plate is of uniform concentration, then ______________________? Read More »
Mass Transfer The dimension of diffusivity is same as that of the
A. Density
B. Molal concentration
C. Kinematic viscosity
D. Velocity head
The dimension of diffusivity is same as that of the__________________? Read More »
Mass Transfer A. Degree of ideality
B. Viscosity
C. Both A & B
D. Neither A nor B
A. Number of plates is zero
B. Number of plates is infinity
C. Minimum number of the theoretical plates is required
D. Separation is most efficient
At minimum reflux ratio for a given separation__________________? Read More »
Mass Transfer A. Gas
B. Liquid
C. Both A. & B.
D. Neither A. nor B.
A. Mixer-settler extractor
B. Centrifugal extractor
C. Pulsed extractor
D. Packed extraction tower
