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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
Furfurol
Phenol
Hexane

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Mass Transfer
In liquid extraction, if the selectivity is unity, then

No separation will occur
Separation of the constituents is the most effective
Solvent flow rate should be very low
Amount of solvent required will be minimum

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Mass Transfer
Air at a particular humidity is heated in a furnace. The new dew point

Depends on the extent of heating
Remain unchanged
Decreases
Increases

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Mass Transfer
The velocity, concentration and temperature boundary, for the boundary layer development on a flat plate during connective mass transfer will be same, if

NPr = NLe
NSc = 1
NSc = NPr = NLe
NSc = NLe

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Mass Transfer
The unit of volumetric diffusivity is

Cm²/seC₂
Cm/sec
Cm³/sec
Cm²/sec

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

Hexane
Furfural
Butyl acetate
Benzol

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