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Mass Transfer

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

Dehydration
Adsorption
Evaporation
Sublimation

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Mass Transfer
__________ extractor is used for the concentration of radioactive nuclear waste.

Mixer-settler
Pulsed column
Seive plate
None of the listed here

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Mass Transfer
Occurrence of 'case hardening' during drying of a high moisture solid cake __________ the drying rate.

Decreases
Increases
Exponentially increases
Does not affect

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Mass Transfer
In case of liquids, the binary diffusivity is proportional to (where, T = temperature)

1/T
√T
T
T²

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

Stanton
Schmidt
Peclet
Sherwood

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Mass Transfer
Large scale usage of flash distillation is practised in

Ammonia synthesis plant
Soap manufacturing
Polymerisation industry
Petroleum refinning

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