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Mass Transfer

Mass Transfer
Molarity is defined as the number of gm moles of solute per __________ of solvent.

Kg
Litre
Gm
c

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Mass Transfer
Which of the following unit operations makes use of Thiele-Geddes equation?

Multicomponent absorption with chemical reaction
Solid-liquid extraction
Multicomponent distillation
Liquid-liquid extraction

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Mass Transfer
Mechanism of moisture removal in case of freeze drying of food stuff is by

Evaporation
Adsorption
Dehydration
Sublimation

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Mass Transfer
Corresponding to Nusselt number in heat transfer, the dimensionless group in mass transfer is the __________ number.

Peclet
Schmidt
Sherwood
Stanton

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Mass Transfer
As per Gilliland's equation, the diffusivity is

Directly proportional to 'T1.5'
All of these
Dependent on the molecular volume & molecular weight of components
Inversely proportional to 'P'

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Mass Transfer
Mass transfer co-efficient 'K' according to penetration theory varies with mass dif-fusivity as

D1.5
1/D
D
D0.5

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