A. Absorption factor
B. Relative volatility
C. Selectivity
D. Murphree efficiency
Related Mcqs:
- The expression, ln(F/W) = ∫xF xW [dx/y* – x)] is_____________________?
A. Differential distillation equation
B. For NtoG in absorption for dilute mixture
C. Slope of q-line in McCabe-Thiele method
D. For relative volatility - For the flow of gases through a capillary, with increase in temperature, the permeability __________________ as per Knudsen law?
A. Increases
B. Decreases
C. Remain same
D. Either A. or B.; depends on the gas - The velocity, concentration and temperature boundary, for the boundary layer development on a flat plate during connective mass transfer will be same, if___________________?
A. NSc = 1
B. NSc = NPr = NLe
C. NPr = NLe
D. NSc = NLe - Rayleigh equation applies to _________________ distillation ?
A. Differential
B. Flash
C. Equilibrium
D. Molecular - The interfacial area per unit volume of dispersion, in a gas-liquid contactor, for fractional hold up of gas = 0.1 and gas bubble diameter = 0.5 mm is given by (in m2/m3)_________________?
A. 500
B. 1200
C. 900
D. 800 - Laboratory determination of the diffusivity of vapor is done by ______________ method?
A. Wetted wall column
B. Gilliland’s
C. Winkelmann’s
D. Wike’s - Leaching of uranium ore and gold ore is done in________________________?
A. Centrifugal extractor
B. Pachuca tanks
C. Bollman extractor
D. None of these - Which of these columns incurs the lowest pressure drop ?
A. Packed column (with stacked packing)
B. Packed column (with dumped packing)
C. Bubble plate column
D. Pulse column - Total reflux in a distillation operation requires minimum____________________?
A. Reboiler load
B. Number of plates
C. Condenser load
D. All A., B. and C. - The binary diffusivity in gases does not depend upon the ___________________?
A. Pressure
B. Temperature
C. Nature of the components
D. None of these