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Mass Transfer

Mass Transfer
Weight of 1 m³ of humid air as compared to 1 m³ of dry air, under the same conditions, is

Same
More
Unpredictable
Less

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

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

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Mass Transfer
Extraction of pencillin employs a __________ extraction coloumn.

Centrifugal
None of these
Packed
Plate

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Mass Transfer
Hypersorption refers to a __________ process.

Moving bed absorption
Fixed bed absorption
Fixed bed adsorption
Moving bed adsorption

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Mass Transfer
The relative volatility of a binary mixture at constant temperature __________ the total pressure.

Decreases with increase in
None of these
Is independent of
Increases with increase in

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Mass Transfer
Absorption factor method is used to calculate the number of ideal stages, when

Both operating and equilibrium lines are parallel
Operating line lies below the equilibrium line
Pressure drop in the column is very high
Operating line lies above the equilibrium line

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