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Mass Transfer

Mass Transfer
Dorr thickener is an equipment used for

Clarification
Sedimentation
Leaching
Classification

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Mass Transfer
__________ developed the film theory.

Higbie
Levenspeil
Ergun
Fick

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Mass Transfer
If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm.

2.5 to 3
3 to 4
5
1.2 to 1.5

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Mass Transfer
Ion exchange process is similar to

Adsorption
Leaching
Absorption
Extraction

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Mass Transfer
The ratio of Murphree plate efficiency to point efficiency is always > 1 in a __________ flow model.

Plug
None of the listed here
Perfectly mixed
Both plug & perfectly mixed

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Mass Transfer
Steam distillation is used to separate

Heat sensitive materials
High boiling substances from nonvolatile impurities
Azeotropes
Mixtures of low relative volatility

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