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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
Molecular seives are porous

Silica
Synthetic zeolites crystals/metal alumino-silicates
None of these
Alumina

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Mass Transfer
The binary diffusivity in gases and liquids vary respectively as

T and T3/2
T3/2 and √T
√T and T3/2
T3/2 and T

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Mass Transfer
Boiling point diagram is not affected by the ambient

Humidity
Pressure
Temperature
Both B and C

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Mass Transfer
With increase in solvent rate, the number of transfer units, NtoG, for a fixed degree of absorption from a fixed amount of gas

Decreases linearly
Remains same
Increases
Decreases

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Mass Transfer
Wetted wall tower experiment determines the

Volumetric co-efficient
None of these
Molal diffusivity
Mass transfer co-efficient

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MORE MCQ ON Mass Transfer

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