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Mass Transfer

Mass Transfer
Langmuir equation is associated with

Multicomponent absorption
Steam distillation
Leaching
Adsorption

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Mass Transfer
For a distillation column operating at minimum reflux, the

Number of plates required will be maximum
Reflux ratio will be maximum
None of these
Concentration of liquid and vapour leaving a plate will be same

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Mass Transfer
In distillation columns, the number of bubble caps per tray primarily depends upon the

Allowable liquid velocity
Feed composition
Allowable gas and liquid velocities
Allowable gas velocity

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Mass Transfer
In gas-liquid contact operation, the number of ideal stages, N = (xa - xb)/(xb - x*b) . This is true when the stripping factor 'S' is

S > 1
S = 1
S = ∞
S < 1

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Mass Transfer
Which of the following is the most commonly used leaching solvent in vegetable oil industry?

Furfurol
Phenol
Hexane
Liquid SO₂

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Mass Transfer
In case of cooling towers, the ratio of the rates of heat and mass transfer is indicated by the __________ number.

Sherwood
Grashoff
None of these
Lewis

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