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Mass Transfer

Mass Transfer
Tea percolation employs

Leaching
Liquid-liquid extraction
Absorption
None of these

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Mass Transfer
On addition of solute in the solvent, the __________ of the solution decreases.

Freezing point
Vapour pressure
Both B and C
Boiling point

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Mass Transfer
The drying time between fixed moisture contents within the 'constant rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid )

T
√T
T1.5
T3

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Mass Transfer
Ion exchange process is similar to

Adsorption
Absorption
Extraction
Leaching

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Mass Transfer
At constant pressure, with increase of temperature, the dew point will

Remain unchanged
Decrease
Increase
Increase/decrease ; depends on the temperature

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Mass Transfer
High pressure at the bottom of a distillation tower handling heat sensitive materials results in

Increased relative volatility
Erosion of the tower
Thermal decomposition of bottoms
Very efficient operation

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