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Mass Transfer

Mass Transfer
Langmuir equation is associated with

Multicomponent absorption
Adsorption
Leaching
Steam distillation

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Mass Transfer
Absorption accompanied with chemical reaction is exemplified by the absorption of

SO₂ in alkaline solution
Benzol present in coke oven gas by wash oil
All of these
Ammonia in water

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Mass Transfer
In continuous distillation, the internal reflux ratio (Ri) and the external reflux ratio (Re) are related as

Ri = (1 - Re)/Re
Ri = Re
Ri = Re/(1 - Re)
Ri = Re/(1 + Re)

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Mass Transfer
Humidification involves mass transfer between a pure liquid phase and a fixed gas, which is

Non-ideal in nature
At a fixed temperature
Soluble in the liquid
Insoluble in the liquid

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Mass Transfer
The minimum number of theoretical plates is required for achieving a given separation in distillation column with

Total reflux
Zero reflux ratio
No reflux
Minimum reflux ratio

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Mass Transfer
The Reynolds number of the liquid was increased 100 fold for a laminar falling film used for gas-liquid contacting. Assuming penetrating theory is applicable, the fold increase in the mass transfer co-efficient (Kc) for the same sytem is

5
1
100
10

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