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Mass Transfer

Mass Transfer
Schmidt number is given by

Re.Pe
Μ/ρDAB
Re/Pe
Sh x Pe

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Mass Transfer
__________ developed the film theory.

Levenspeil
Fick
Higbie
Ergun

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Mass Transfer
For the same system, if the same liquid used in an absorber is decreased, the tower height will

Increase
Decrease
Remain unaffected
Decrease or increase ; depends on the type of liquid

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Mass Transfer
In case of absorption & stripping, the interface of the liquid & gas phases are present in equilibrium, when the diffusional resistance of __________ is zero.

Liquid phase
Gas phase
Interface
All of these

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Mass Transfer
Which of the following operations does not involve leaching?

Removing nicotine from its water solution by kerosene
Dissolving pharmaceutical products from bark or roots
Dissolving sugar from the cells of the beet
Dissolving gold from ores

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Mass Transfer
Inside the distillation columns, the

Driving force for the liquid flow is its weight
All of these
Vapors are not always at their dew points
Highest temperatures is near the feed plate

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