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Mass Transfer

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

Re0.53
Re0.33
Re
Re0.83

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Mass Transfer
The binary diffusivity in gases does not depend upon the

None of the listed here
Pressure
Temperature
Nature of the components

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Mass Transfer
In the desorption of highly soluble gas from the liquid, the main resistance will be in the __________ phase.

Both A & B
Neither A nor B
Liquid
Gas

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Mass Transfer
Deairation (removal of O₂) of water is done by

Ion-exchange
Rectification
Absorption
Adsorption

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Mass Transfer
H₂S present in naphtha reformed gas is removed by absorbing with

Vacuum gas oil
Ethanolamine
HCl
K₂CO₃

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

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

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