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Mass Transfer

Mass Transfer
For turbulent mass transfer in pipes, the Sherwood number depends on the Reynolds number as

Re
Re0.33
Re0.53
Re0.83

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Mass Transfer
Cox chart is useful in the design of

Dryer
Evaporator
Crystalliser
Distillation column

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Mass Transfer
At __________ reflux, theoretical number of plates in a distillation coloumn is calculated using Fenske-Underwood equation.

Operating
Total
Minimum
Maximum permissible

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Mass Transfer
Minimum possible diameter of a packed coloumn is decided mainly by the

Flooding
Gas viscosity
Liquid hold up
Liquid density

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

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

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Mass Transfer
Desulphurisation of petrol is done in a

Rotating disc extractor
Plate type extraction column
Bollman extractor
Packed extraction column

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MORE MCQ ON Mass Transfer

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