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Mass Transfer

Mass Transfer
At what percentage (by volume) of alcohol composition, it forms an azeotrope with water?

91.5
95
90
99

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Mass Transfer
The process employing desorption of the absorbed solute by a solvent is called

Elution
Osmosis
Sublimation
Reverse osmosis

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Mass Transfer
For a single component absorber, the operating line is straight only when plotted in term of __________ units.

Mole ratio
Partial pressure
Mole fraction
None of these

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Mass Transfer
Stefan's law describes the mass transfer by

Both A & B
Diffusion
Neither A nor B
Bulk flow

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Mass Transfer
Low viscosity absorbent is preferred for reasons of

Rapid absorption rates and good heat transfer characteristics
Low pressure drop on pumping
All of these
Improved flooding characteristics

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

Pulse column
Mixer settler
Spray column
Baffle tower

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