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Mass Transfer

Mass Transfer
When the psychometric ratio is __________ then the adiabatic saturation temperature and wet bulb temperature becomes equal.

?
1
< 1
> 1

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Mass Transfer
Absorption accompanied with chemical reaction is exemplified by the absorption of

SO₂ in alkaline solution
Benzol present in coke oven gas by wash oil
Ammonia in water
All of these

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Mass Transfer
For a single component absorber, the operating line is straight only when plotted in term of __________ units.

None of these
Mole ratio
Partial pressure
Mole fraction

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

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

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Mass Transfer
Use of packed towers for distillation is generally limited to the

Small sizes
Multicomponent distillation
Vacuum distillation
High pressure operation

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Mass Transfer
In case of liquid-liquid binary diffusion, diffusivity of one constituent into another is not dependent on the

None of these
Temperature and pressure
Concentration
Nature of the constituents

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