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Mass Transfer

Mass Transfer
Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second.

1
5 to 10
1 to 5
> 10

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Mass Transfer
Humidity chart is useful for the solution of problems concerning condensation, vaporisation and air conditioning. At a given dry bulb temperature, value of humidity obtained from the humidity chart directly, is in terms of __________ humidity.

Molal
Percentage
None of these
Relative

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Mass Transfer
Ion exchange process is similar to

Absorption
Leaching
Extraction
Adsorption

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Mass Transfer
Steady state equimolal counter diffusion occurs in case of

Binary phase distillation
Absorption
Liquid-liquid extraction
Leaching

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Mass Transfer
______ extractor uses centrifugal force for separating the two phases.

Schiebel
None of the listed here
Podbielniak
Treybal

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

Spray column
Baffle tower
Mixer settler
Pulse column

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