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Mass Transfer

Mass Transfer
Free flowing granular materials can be best dried in a __________ drier.

Drun
Freeze
Cylinder
Rotary

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Mass Transfer
The equipment frequently used for adiabatic humidification-cooling operation with recirculating liquid is

Induced draft cooling tower
Spray chamber
None of these
Natural draft cooling tower

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Mass Transfer
With increase in solvent rate, the number of transfer units, NtoG, for a fixed degree of absorption from a fixed amount of gas

Decreases
Decreases linearly
Increases
Remains same

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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
Both A & B
Solids are drained to the same extent
Neither A nor B

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Mass Transfer
__________ extractor is used for the concentration of radioactive nuclear waste.

Pulsed column
None of the listed here
Seive plate
Mixer-settler

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Mass Transfer
At a fixed pressure, the humidity depends upon the partial pressure of vapor in the mixture. Humidity of a vapour free gas is __________ percent.

50
100
Between 0 and 100

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