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Mass Transfer

Mass Transfer
Small dia distillation column can be a

Sieve tray
Any of these
Packed column
Bubble cap

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Mass Transfer
In distillation column design, the McCabe-Thiele procedure is inadequate and a Ponchan-Savarit procedure is needed, when

An azeotrope forms
Saturated feed is not used
A total condenser is used
The latent heat of vaporisation of the more and less volatile components are greatly different

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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
During bottling of cold drinks (e.g. Pepsi), the main resistance to mass transfer for the absorption of carbon dioxide in water lies in the

Gas film
None of these
Liquid-gas interface
Liquid film

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Mass Transfer
Steam distillation is used to separate

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

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Mass Transfer
In the absorption of ammonia in water, the main resistance to absorption is by the __________ phase.

Both A & B
Neither A nor B
Liquid
Gas

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