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Mass Transfer

Mass Transfer
The value of L/mG ratio for economical absorption operation ranges from

1.25 to 2.0
0.5 to 0.8
2.5 to 3.5
0.8 to 1.2

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Mass Transfer
Which one of the following devices is not used for both the absorption as well as the liquid-liquid extraction processes?

Wetted wall columns
Packed towers
Plate towers
Spray towers

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Mass Transfer
Langmuir equation is associated with

Leaching
Steam distillation
Multicomponent absorption
Adsorption

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Mass Transfer
Absorption accompanied by heat evolution results in

Increased capacity of the absorber
Increase in equilibrium solubility
None of these
Decrease in equilibrium solubility

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Mass Transfer
Separation of two or more components of a liquid solution can not be achieved by

Fractional crystallisation
Absorption
Liquid extraction
Evaporation

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Mass Transfer
_______ number indicates the ratio of the rates of the heat and mass transfer incase of a cooling tower.

Lewis
Peclet
Stanton
Sherwood

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