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Mass Transfer

Mass Transfer
Boiling point diagram is not affected by the ambient

Temperature
Both B and C
Humidity
Pressure

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Mass Transfer
1 kg of a saturated aqueous solution of a highly soluble component A at 60°C is cooled to 25°C. The solubility limits of A are (0.6 kgA/kg water) at 60°C and (0.2 kgA/kg water) at 25°C. The amount in kg of the crystals formed is

0.175
0.2
0.25
0.4

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Mass Transfer
Acetic acid will be most economically separated from a dilute solution of acetic acid in water by

Evaporation
Absorption
Continuous distillation
Solvent extraction

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Mass Transfer
The temperature of water cooled in cooling tower is always __________ temperature of entering air.

Equal to the dry bulb
More than the wet bulb
Less than the wet bulb
Equal to the wet bulb

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Mass Transfer
Wetted wall tower experiment determines the

Volumetric co-efficient
None of these
Molal diffusivity
Mass transfer co-efficient

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Mass Transfer
In case of absorption & stripping, the interface of the liquid & gas phases are present in equilibrium, when the diffusional resistance of __________ is zero.

Gas phase
Liquid phase
All of these
Interface

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