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Mass Transfer

Mass Transfer
Selectivity of the solvent used in solvent extraction should be

> 1
< 1
1

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Mass Transfer
In McCabe-Thiele method of theoretical plate calculation for a distillation column, the operating lines of stripping and rectifying sections coincide with the diagonal at __________ reflux.

Operating
Maximum permissible
Total
Minimum

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Mass Transfer
The operation involved when the soluble material is largely on the surface of an insoluble solid and is merely washed off by the solvent is called

Percolation
Elutriation or elution
None of these
Decoction

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Mass Transfer
When the __________ the relative humidity of air decreases, despite an increase in the absolute humidity.

Pressure rises
Temperature rises
Temperature falls
Pressure falls

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Mass Transfer
In a solution containing 0.30 Kg mole of solute and 600 kg of solvent, the molality is

0.6
2
0.5
1

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Mass Transfer
The critical moisture content in case of drying indicates the __________ rate period.

Beginning of falling
None of these
End of falling
Beginning of constant

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