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Mass Transfer

Mass Transfer
__________ equation applies to diffusivities in liquids.

Wilke and Chang
None of these
Hirschfelder
Gilliland

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Mass Transfer
At minimum reflux ratio for a given separation

Number of plates is infinity
Number of plates is zero
Minimum number of the theoretical plates is required
Separation is most efficient

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

2f
F/2
1/f
F

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Mass Transfer
'ADDUCTS' and 'CLATHRATES' are used in case of

Crystallisation
None of these
Absorption
Extractive distillation

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Mass Transfer
Rate of leaching increases with increasing

Size of the solid
Viscosity of solvent
Pressure
Temperature

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Mass Transfer
In case of gases, the binary diffusivity is proportional to (where, P = pressure)

√P
1/P
P
1/√P

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