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Mass Transfer

Mass Transfer
If moisture content of solid on dry basis is X, then the same on wet basis is

(X - 1)/X
(X + 1)/X
X/(X - 1)
X/(X + 1)

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Mass Transfer
Leaching of sugar from sugar beets is done by

Lime water
Hexane
Hot water
Dilute H₂SO₄

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Mass Transfer
Separation of two or more components of a liquid solution can not be achieved by

Absorption
Evaporation
Liquid extraction
Fractional crystallisation

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Mass Transfer
In a packed bed absorption column, the channelling will be noted by the

Increase in flow rate
Sharp rise in pressure drop
None of these
Sharp drop in pressure drop

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Mass Transfer
According to the Fenske equation, what will be the minimum number of plates required in a distillation column to separate an equimolar binary mixture of components A and B into an overhead fraction containing 99 mol% A and a bottom fraction containing 98 mol% B? Assume that relative volatility (αAB = 2) does not change appreciably in the coloumn.

6
12
8
10

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Mass Transfer
Dorr thickener is an equipment used for

Leaching
Classification
Clarification
Sedimentation

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