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Mass Transfer

Mass Transfer
Which of the following is the most commonly used leaching solvent in vegetable oil industry?

Liquid SO₂
Phenol
Hexane
Furfurol

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Mass Transfer
In case of gases, the binary diffusivity is proportional to (where, P = pressure)

1/√P
√P
P
1/P

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Mass Transfer
The drying time between fixed moisture content within diffusion controlled 'falling rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid )

T²
T³
√T
T

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Mass Transfer
The equipment used in the extraction of highly corrosive radio active liquids is

Baffle tower
Pulse column
Mixer settler
Spray column

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Mass Transfer
The Hatta number is important in

Gas absorption without chemical reaction
Multicomponent distillation
Gas absorption with chemical reaction
Binary distillation

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

Decreases linearly
Decreases
Increases
Remains unaffected

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