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Mass Transfer

Mass Transfer
The dew point of a saturated gas phase equals the __________ temperature.

None of these
Gas
Room
Wet bulb

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Mass Transfer
In liquid extraction, if the selectivity is unity, then

Amount of solvent required will be minimum
No separation will occur
Separation of the constituents is the most effective
Solvent flow rate should be very low

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Mass Transfer
Calculation of mass transfer co-efficient is mostly/normally done using __________ theory.

Penetration
Surface renewal
None of the listed here
Film

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Mass Transfer
In case of an unsaturated mixture of gas and vapor, the percentage saturation is __________ its relative saturation.

Higher than
Lower than
Either A or B, depends on the mixture composition
Equal to

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Mass Transfer
In a packed bed absorption column, the channelling will be noted by the

Sharp rise in pressure drop
None of these
Increase in flow rate
Sharp drop in pressure drop

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Mass Transfer
Agitator is provided in a crystalliser for

Crystal growth
Formation of nuclei
All of these
Avoiding deposition on cooler surfaces

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