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Mass Transfer

Mass Transfer
Penetration model (theory) for mass transfer was enunciated by

Kissinevskii
Danckwerts
Toor and Marchello
Higbie

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Mass Transfer
The cooling effect in a cooling tower can not be increased by

Lowering the barometric pressure
None of these
Increasing the air velocity over the wet surfaces
Reducing the humidity of entering air

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Mass Transfer
Agitator is provided in a crystalliser for

All of these
Avoiding deposition on cooler surfaces
Formation of nuclei
Crystal growth

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Mass Transfer
In physical terms, Schmidt number means

Momentum diffusivity/mass diffusivity
Mass diffusivity/thermal diffusivity
Thermal diffusivity/momentum diffusivity
Thermal diffusivity/mass diffusivity

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Mass Transfer
L/mG is the expression for

Absorption factor
Slope of operating line in absorber
Brinkman number
Slope of operating line in stripper

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

F/2
2f
1/f
F

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MORE MCQ ON Mass Transfer

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