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Mass Transfer

Mass Transfer
Unit operation involved in the prilling of urea is

Evaporation
Both B and C
Crystallisation
Drying

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Mass Transfer
Absorption factor method is used to calculate the number of ideal stages, when

Both operating and equilibrium lines are parallel
Pressure drop in the column is very high
Operating line lies below the equilibrium line
Operating line lies above the equilibrium line

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Mass Transfer
HETP is numerically equal to HTU, only when the operating line

Lies below the equilibrium line
Is far from the equilibrium line
And equilibrium lines are parallel
Lies above the equilibrium line

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Mass Transfer
Hypersorption refers to a __________ process.

Moving bed adsorption
Fixed bed absorption
Moving bed absorption
Fixed bed adsorption

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Mass Transfer
__________ column is used in gas absorption process.

Wetted wall
Packed
Bubble cap
Seive/perforated tray

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Mass Transfer
Corresponding to Nusselt number in heat transfer, the dimensionless group in mass transfer is the __________ number.

Sherwood
Stanton
Schmidt
Peclet

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MORE MCQ ON Mass Transfer

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