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Mass Transfer

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

Toor and Marchello
Danckwerts
Kissinevskii
Higbie

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Mass Transfer
For a single component absorber, the operating line is straight only when plotted in term of __________ units.

Mole fraction
Partial pressure
Mole ratio
None of these

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Mass Transfer
Operating velocity in a packed tower is usually __________ the flooding velocity.

Equal to
Half
Twice
More than

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Mass Transfer
Only small amount of evaporation of water produces large cooling effects because of its

None of these
Low viscosity
Small latent heat
Large latent heat

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Mass Transfer
The temperature to which a vapour gas mixture must be cooled (at varying humidity) to become saturated is called the __________ temperature.

None of these
Wet bulb
Dry bulb
Dew point

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

Temperature
None of the listed here
Pressure
Nature of the components

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