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Mass Transfer

Mass Transfer
Most important factor to be considered in the selection of packings for absorbers is the __________ of packing.

Size
Porosity
Cost
Durability

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Mass Transfer
In extraction, as the temperature increases, the area of hetrogeneity (area covered by binodal curve)

Decreases
None of these
Increases
Remains unchanged

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Mass Transfer
As the reflux ratio increases, the slope of the operating line for rectifying section

Decreases
Data insufficient, cannot be predicted
Remains constant
Increases

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Mass Transfer
If the amount of the steam used in steam distillation is increased, the temperature of distillation

Remains unchanged
Increases
Depends on relative volatility
Decreases

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Mass Transfer
A binary mixture of benzene and cyclohexane is separated by

Solvent extraction
Flash vaporisation
Ordinary distillation
Extractive distillation

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Mass Transfer
Which of the following adsorbant is used in the refinning of sugar?

Silica gel
Bone charcoal
Activated clay
Wood charcoal

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