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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
Separation of __________ employs gaseous diffusion process.

Isotopes of helium
SO₂ and air
Isotopes of uranium
N₂ and O₂ from air

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Mass Transfer
During drying operation, it is easier to remove the __________ moisture.

Bound
Critical
Unbound
Equilibrium

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Mass Transfer
If G = insoluble gas in gas stream and L = non-volatile solvent in liquid stream, then the slope of the operating line for the absorber is

None of these
G/L
L/G
Always < 1

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Mass Transfer
If the path of liquid across the plate is very long as in case of large diameter tower, Murphree efficiency can be __________ percent.

100
> 100
< 100
None of these

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

High pressure operation
Vacuum distillation
Multicomponent distillation
Small sizes

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