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Mass Transfer

Mass Transfer
Large scale drying of wheat is done in a __________ dryer.

Fluidised bed
Tray
Spouted bed
Vacuum rotary

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Mass Transfer
Mass transfer rate between two fluid phases does not necessarily depend on the __________ of the two phases.

Physical properties
Interfacial area
Chemical properties
Degree of turbulence

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Mass Transfer
For the case of flow of air past a wet bulb thermometer (air water vapour system), the approximate value of Hâ‚‚/ky.Cz is around

1
0.72
0.24
0.6

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Mass Transfer
Alcohol is dehydrated using __________ distillation.

Steam
Azeotropic
Molecular
Extractive

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

Sherwood
Schmidt
Peclet
Stanton

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Mass Transfer
Selectivity of the solvent used in solvent extraction should be

< 1
1
> 1

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