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Mass Transfer

Mass Transfer
Rayleigh's equation applies to __________ distillation.

Differential
Steam
Flash
Continuous

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Mass Transfer
The diffusivity (D) in a binary gas mixture is related to the temperature (T) as

D ∝ T2
D ∝ T1.5
D ∝ T0.5
D ∝ T

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Mass Transfer
Large scale usage of flash distillation is practised in

Polymerisation industry
Ammonia synthesis plant
Petroleum refinning
Soap manufacturing

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Mass Transfer
The minimum number of theoretical plates is required for achieving a given separation in distillation column with

No reflux
Minimum reflux ratio
Zero reflux ratio
Total reflux

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Mass Transfer
When the feed to a distillation column is a saturated liquid, slope of the feed line is

Zero
Infinity
None of these
Unity

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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

Liquid-gas interface
Liquid film
Gas film
None of these

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