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Mass Transfer

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

Danckwerts
Kissinevskii
Toor and Marchello
Higbie

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Mass Transfer
Steady state temperature reached by a small amount of liquid evaporating into a large amount of unsaturated vapour-gas mixture is called the __________ temperature.

Wet-bulb
Dew point
Dry-bulb
Adiabatic saturation

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Mass Transfer
__________ temperature is the steady state temperature attained by a small amount of liquid evaporating into a large quantity of unsaturated gas-vapor mixture.

Wet bulb
None of these
Dry bulb
Dew point

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Mass Transfer
Ordinary diffusion process is also called __________ diffusion.

Thermal
Concentration
Forced
Pressure

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Mass Transfer
Percentage saturation is __________ the relative saturation.

Always greater than
Not related to
Always smaller than
None of these

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Mass Transfer
Wetted wall tower experiment determines the

None of these
Volumetric co-efficient
Molal diffusivity
Mass transfer co-efficient

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