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Mass Transfer

Mass Transfer
Schmidt number is given by

Re/Pe
Sh x Pe
Re.Pe
Μ/ρDAB

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Mass Transfer
If the amount of the steam used in steam distillation is increased, the temperature of distillation

Depends on relative volatility
Decreases
Remains unchanged
Increases

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Mass Transfer
In case of __________ distillation, a solvent is added to alter the relative volatility of the mixture to be separated.

Molecular
Extractive
Flash
Azeotropic

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Mass Transfer
__________ columns are used for liquid dispersion in a continuous gas phase.

Pulse
Bubble cap
Packed
Sieve plate

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Mass Transfer
High pressure at the bottom of a distillation tower handling heat sensitive materials results in

Thermal decomposition of bottoms
Very efficient operation
Increased relative volatility
Erosion of the tower

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Mass Transfer
At the same gas flow rate, the pressure drop in a packed tower being irrigated with liquid __________ that in dry packed tower.

Is same as
Is lower than
Cannot be predicted as data are insufficient
Is greater than

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