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Mass Transfer

Mass Transfer
Reverse osmosis is also called

Diffusion
Dialysis
Electrodilysis
Ultrafiltration

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Mass Transfer
In physical terms, Schmidt number means

Thermal diffusivity/mass diffusivity
Mass diffusivity/thermal diffusivity
Thermal diffusivity/momentum diffusivity
Momentum diffusivity/mass diffusivity

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Mass Transfer
With increase in solvent rate, the number of transfer units, NtoG, for a fixed degree of absorption from a fixed amount of gas

Decreases linearly
Decreases
Remains same
Increases

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

Peclet
Stanton
Schmidt
Sherwood

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Mass Transfer
The commonly used solvent in supercritical extraction is

Water
Carbon tetrachloride
Methyl ethyl ketone
Carbon dioxide

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Mass Transfer
Calculation of mass transfer co-efficient is mostly/normally done using __________ theory.

Penetration
Surface renewal
Film
None of the listed here

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MORE MCQ ON Mass Transfer

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