Unsaturated air (with dry bulb temperature and dew point being 35°C and 18°C respectively) is passed through a water spray chamber maintained at 15°C. The air will be cooled

Mass Transfer
Unsaturated air (with dry bulb temperature and dew point being 35°C and 18°C respectively) is passed through a water spray chamber maintained at 15°C. The air will be cooled

And humidified

And dehumidified with increase in wet bulb temperature

And dehumidified with decrease in wet bulb temperature

At the same relative humidity

And humidified

And dehumidified with increase in wet bulb temperature

And dehumidified with decrease in wet bulb temperature

At the same relative humidity

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Mass Transfer
Dimension of mass diffusivity is the same as that of

Dynamic viscosity

Pressure

Kinematic viscosity

Surface tension

Dynamic viscosity

Pressure

Kinematic viscosity

Surface tension

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Mass Transfer
Mass transfer rate between two fluid phases does not necessarily depend on the __________ of the two phases.

Physical properties

Interfacial area

Degree of turbulence

Chemical properties

Physical properties

Interfacial area

Degree of turbulence

Chemical properties

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

None of the listed here

Temperature

Pressure

Nature of the components

None of the listed here

Temperature

Pressure

Nature of the components

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Mass Transfer
To get high tray efficiency

Gas velocity should be very low

Interfacial surface between liquid and gas phase should be large

Liquid entrainment should be severe

Time of contact between the two phases should be less

Gas velocity should be very low

Interfacial surface between liquid and gas phase should be large

Liquid entrainment should be severe

Time of contact between the two phases should be less

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Mass Transfer
Liquid diffusivity is of the order of __________ cm² /second.

> 1

0.01

0.1

10-5 to 10-6

> 1

0.01

0.1

10-5 to 10-6

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Mass Transfer

Mass Transfer Unsaturated air (with dry bulb temperature and dew point being 35°C and 18°C respectively) is passed through a water spray chamber maintained at 15°C. The air will be cooled

Mass Transfer Dimension of mass diffusivity is the same as that of

Mass Transfer Mass transfer rate between two fluid phases does not necessarily depend on the __________ of the two phases.

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

Mass Transfer To get high tray efficiency

Mass Transfer Liquid diffusivity is of the order of __________ cm² /second.

Mass Transfer
Unsaturated air (with dry bulb temperature and dew point being 35°C and 18°C respectively) is passed through a water spray chamber maintained at 15°C. The air will be cooled

Mass Transfer
Dimension of mass diffusivity is the same as that of

Mass Transfer
Mass transfer rate between two fluid phases does not necessarily depend on the __________ of the two phases.

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

Mass Transfer
To get high tray efficiency

Mass Transfer
Liquid diffusivity is of the order of __________ cm² /second.