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Mass Transfer

Mass Transfer
Boiling point diagram is not affected by the ambient

Both B and C
Temperature
Humidity
Pressure

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Mass Transfer
In gas-liquid contact operation, the number of ideal stages, N = (xa - xb)/(xb - x*b) . This is true when the stripping factor 'S' is

S = 1
S < 1
S = ∞
S > 1

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Mass Transfer
In case of physical adsorption, the difference between heat of adsorption and heat of normal condensation is

Called integral heat of adsorption
Equal to the heat of wetting
Zero
Equal to the heat of formation of surface compound

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Mass Transfer
The most common packing used in industrial operations is __________ rings.

Raschig
Single spiral
Lessing
Cross-partition

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Mass Transfer
Mass transfer co-efficient is defined as

Flux=concentration difference/co-effi-cient
Co-efficient = Flux/concentration difference
Flux = Co-efficient/concentration difference
None of the listed here

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Mass Transfer
Separation of two or more components of a liquid solution can not be achieved by

Liquid extraction
Fractional crystallisation
Absorption
Evaporation

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