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Mass Transfer

Mass Transfer
Weight of 1 m³ of humid air as compared to 1 m³ of dry air, under the same conditions, is

Unpredictable
Same
More
Less

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Mass Transfer
Perforated plate towers are unique for solvent extraction because, they provide

Higher contact area
Repeated coalescence & redispersion of the drop phase
Better contact of the phase
None of these

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Mass Transfer
__________ is used as an 'entrainer' for the separation of acetic acid-water mixture by distillation.

Benzol
Furfural
Butyl acetate
Hexane

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Mass Transfer
Stefan's law describes the mass transfer by

Neither A nor B
Bulk flow
Diffusion
Both A & B

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Mass Transfer
At a given equilibrium pressure, with increase in temperature, the concentration of adsorbed gas on solid adsorbant

Increases
Increases exponentially
Remains unchanged
Decreases

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Mass Transfer
The binary diffusivity in gases and liquids vary respectively as

√T and T3/2
T3/2 and √T
T3/2 and T
T and T3/2

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