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Mass Transfer

Mass Transfer
The relative volatility of a binary mixture at the azeotropic composition is

1
∞
> 1

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Mass Transfer
The solvent used in liquid-liquid extraction should have __________ less than one.

Neither A nor B
Selectivity
Distribution co-efficient
Both A & B

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Mass Transfer
The temperature to which a vapour gas mixture must be cooled (at varying humidity) to become saturated is called the __________ temperature.

Dry bulb
Dew point
None of these
Wet bulb

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Mass Transfer
The-relative volatility for separation of a non-ideal binary mixture by distillation should be

> 1
1
< 1

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Mass Transfer
In a moderately sized packed absorption tower, channeling (which is most severe with stacked packings) can be minimised by taking the ratio of tower diameter to packing diameter

> 8:1
< 6:1
> 4 :1
< 8 : 1

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Mass Transfer
Water entrained by circulating air in cooling towers is termed as

Vapor load
None of the listed here
Blow down
Drift

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