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Mass Transfer

Mass Transfer
Penetration model (theory) for mass transfer was enunciated by

Kissinevskii
Higbie
Toor and Marchello
Danckwerts

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Mass Transfer
Hypersorption refers to a __________ process.

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

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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-gas interface
Liquid film
Gas film

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Mass Transfer
Which of the following adsorbent is used to decolourise yellow glycerine?

Activated carbon
Silica gel
Alumina
Fuller

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Mass Transfer
With increase in temperature, the leaching rate increases because of the

Decreased viscosity of liquid
Both Decreased viscosity of liquid & Increased diffusivity
None of the listed here
Increased diffusivity

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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.

Less than
Equal to
More than
Either A or B; depends on the solid

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