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Mass Transfer

Mass Transfer
In a binary distillation column, if the feed contains 40 mole % vapour, the q line will have a slope of

1.5
-0.6
-1.5
0.6

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Mass Transfer
Solvent used in extractive distillation

Is of low volatility
Forms a low boiling azeotrope
Forms a high boiling azeotrope
Does not alter the relative volatility of the original components

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Mass Transfer
L/mG is the expression for

Absorption factor
Slope of operating line in absorber
Slope of operating line in stripper
Brinkman number

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Mass Transfer
Components, having widely different boiling point in a binary mixture, can be separated using __________ distillation.

Molecular
Extractive
Steam
Simple

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

Zero
Unity
None of these
Infinity

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Mass Transfer
In an absorption coloumn, the flooding velocity for random packing is __________ that for stacked/regular packing.

Smaller than
Equal to
Either A, or B ; depends on the type of packing
Greater than

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