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Mass Transfer

Mass Transfer
According to Chilton-Colburn analogy for mass transfer, NSt.NSc2/3 is equal to

F/2
F
2f
1/f

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Mass Transfer
As the reflux ratio, in a continuous counter-current extraction is increased, the number of stages

Remain unchanged
Increase
Decrease
Can either increase or decrease, depends on the system

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Mass Transfer
Degree of freedom for leaching and solvent extraction process is

1
3
2

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

Small sizes
Multicomponent distillation
High pressure operation
Vacuum distillation

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

Mole fraction
None of these
Partial pressure
Mole ratio

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Mass Transfer
The dew point of a saturated gas phase equals the __________ temperature.

Gas
None of these
Room
Wet bulb

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