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Mass Transfer

Mass Transfer
__________ column is preferred to be used, when a high liquid hold up is required in a reactor for gas-liquid reaction.

Bubble
Packed
Tray
Spray

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Mass Transfer
Separation of two volatile liquids by distillation makes use of their

Relative volatility
Solubility
Selectivity
Density difference

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Mass Transfer
The adiabatic saturation curve for a vapour-gas mixture is

None of these
Straight line
Slightly concave upward
Slightly concave downward

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Mass Transfer
In a distillation column, with increase in the reflux ratio, the heat removed in the cooler

Remains unaffected
Increases
Decreases
And the heat required in reboiler decreases

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Mass Transfer
With increase in the concentration of the adsorbate, the integral heat of adsorption

May increase or decrease ; depends on the type of adsorbate
Increases
Decreases
Remains unchanged

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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.

Extractive
Flash
Molecular
Azeotropic

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