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Mass Transfer

Mass Transfer
Leaching of coarse solid lumps is also termed as

Percolation
Agitation and settling
Dissolution
Decoction

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Mass Transfer
Dry bulb temperature of unsaturated air is more than its __________ temperature.

Both A & B
Dew point
Wet bulb
Neither A nor B

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Mass Transfer
Perforated plate towers are unique for solvent extraction because, they provide

Repeated coalescence & redispersion of the drop phase
Better contact of the phase
Higher contact area
None of these

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Mass Transfer
Leaching of uranium ore and gold ore is done in

None of these
Bollman extractor
Pachuka tanks
Centrifugal extractor

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Mass Transfer
In case of constant underflow extraction operation, the __________ at all solute concentration.

Ratio of the insoluble to solution is constant
Solids are drained to the same extent
Both A & B
Neither A nor B

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Mass Transfer
Cox chart is useful in the design of

Crystalliser
Distillation column
Dryer
Evaporator

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