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Mass Transfer

Mass Transfer
Tea percolation employs

Leaching
None of these
Absorption
Liquid-liquid extraction

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Mass Transfer
The commonly used solvent in supercritical extraction is

Carbon dioxide
Methyl ethyl ketone
Carbon tetrachloride
Water

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Mass Transfer
Agitator is provided in a crystalliser for

Formation of nuclei
Crystal growth
Avoiding deposition on cooler surfaces
All of these

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Mass Transfer
HETP is numerically equal to HTU, only when the operating line

Lies above the equilibrium line
And equilibrium lines are parallel
Lies below the equilibrium line
Is far from the equilibrium line

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Mass Transfer
During the constant rate period of drying of a solid,

Increased air humidity decreases the rate of drying
Surface evaporation of unbound moisture occurs
Increasing the air temperature decreases the drying rate
None of these

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

90
95
99
91.5

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