Though, theoretically the adsorption & desorption isotherms is expected to coincide but sometimes at least a part of the isotherms does not coincide and this phenomenon is known as adsorption hysterisis. In such cases, the desorption equilibrium pressure is __________ that obtained for adsorption.

Mass Transfer
Though, theoretically the adsorption & desorption isotherms is expected to coincide but sometimes at least a part of the isotherms does not coincide and this phenomenon is known as adsorption hysterisis. In such cases, the desorption equilibrium pressure is __________ that obtained for adsorption.

Higher than

Same as

Lower than

Either same or higher than

Higher than

Same as

Lower than

Either same or higher than

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Mass Transfer
In a counter-current extractor, as the axial mixing increases, the extraction efficiency

Decreases

Remains unchanged

Increases

Depends on the pressure of the system

Decreases

Remains unchanged

Increases

Depends on the pressure of the system

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Mass Transfer
Removal of __________ exemplifies an adsorption unit operation.

Ammonia from coke oven gas

None of the listed here

Water from petrol

Uranium from its ore

Ammonia from coke oven gas

None of the listed here

Water from petrol

Uranium from its ore

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Mass Transfer
Bound moisture is that liquid which exerts an equilibrium vapor pressure __________ that of the pure liquid at the given temperature.

Equal to

More than

Less than

Either A or B; depends on the solid

Equal to

More than

Less than

Either A or B; depends on the solid

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Mass Transfer
During bottling of cold drinks (e.g. Pepsi), the main resistance to mass transfer for the absorption of carbon dioxide in water lies in the

None of these

Liquid film

Liquid-gas interface

Gas film

None of these

Liquid film

Liquid-gas interface

Gas film

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Mass Transfer
For gas absorption, low viscosity solvents are preferred, because of their

All of these

Low pumping pressure drop

Better flow characteristics

Rapid absorption rates

All of these

Low pumping pressure drop

Better flow characteristics

Rapid absorption rates

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Mass Transfer

Mass Transfer In a counter-current extractor, as the axial mixing increases, the extraction efficiency

Mass Transfer Removal of __________ exemplifies an adsorption unit operation.

Mass Transfer Bound moisture is that liquid which exerts an equilibrium vapor pressure __________ that of the pure liquid at the given temperature.

Mass Transfer During bottling of cold drinks (e.g. Pepsi), the main resistance to mass transfer for the absorption of carbon dioxide in water lies in the

Mass Transfer For gas absorption, low viscosity solvents are preferred, because of their

Mass Transfer
In a counter-current extractor, as the axial mixing increases, the extraction efficiency

Mass Transfer
Removal of __________ exemplifies an adsorption unit operation.

Mass Transfer
Bound moisture is that liquid which exerts an equilibrium vapor pressure __________ that of the pure liquid at the given temperature.

Mass Transfer
During bottling of cold drinks (e.g. Pepsi), the main resistance to mass transfer for the absorption of carbon dioxide in water lies in the

Mass Transfer
For gas absorption, low viscosity solvents are preferred, because of their