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Mass Transfer

Mass Transfer
Boiling point diagram is not affected by the ambient

Pressure
Both B and C
Humidity
Temperature

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Mass Transfer
When an unsaturated air-water mixture is heated at constant pressure, then

The partial pressure of water vapour increases
The relative humidity decreases
The relative humidity increases
The specific humidity decreases

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Mass Transfer
The slope of the operating line for a single component co-current absorber when plotted in terms of mole ratio units is

-ve
+ve
∞

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Mass Transfer
Mass transfer rate between two fluid phases does not necessarily depend on the __________ of the two phases.

Interfacial area
Degree of turbulence
Chemical properties
Physical properties

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Mass Transfer
Pressure drop through plate tower as compared to that through packed tower, for the same duty will be

Less
Equal
More
Either A or B; depends on the packing height

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Mass Transfer
During drying of a solid, the critical moisture content increases with

Both B and C
Decreased drying rate
Increased drying rate
Increased thickness of the solid

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