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Mass Transfer

Mass Transfer
For turbulent mass transfer in pipes, the Sherwood number depends on the Reynolds number as

Re0.33
Re
Re0.53
Re0.83

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Mass Transfer
An azeotropic mixture is a __________ mixture.

Ternary
None of these
Constant boiling point
Binary

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Mass Transfer
Unsaturated air (with dry and wet bulb temperatures being 35 and 25°C respectively) is passed through water spray chamber maintained at 35°C. The air will be

Humidified
Dehumidified
Both A & B
Cooled

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Mass Transfer
The equipment used in the extraction of highly corrosive radio active liquids is

Pulse column
Spray column
Mixer settler
Baffle tower

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

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

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Mass Transfer
When both the fluids flow concurrently in an absorber, the slope of the operating line is

+ ve
- ve
1
-1

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