Humidity chart is useful for the solution of problems concerning condensation, vaporisation and air conditioning. At a given dry bulb temperature, value of humidity obtained from the humidity chart directly, is in terms of __________ humidity.

Mass Transfer
Humidity chart is useful for the solution of problems concerning condensation, vaporisation and air conditioning. At a given dry bulb temperature, value of humidity obtained from the humidity chart directly, is in terms of __________ humidity.

Percentage

None of these

Molal

Relative

Percentage

None of these

Molal

Relative

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Mass Transfer
The most economical range of absorption factor is

1.25 to 2

2.5 to 3

5 to 10

2 to 2.5

1.25 to 2

2.5 to 3

5 to 10

2 to 2.5

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Mass Transfer
With decrease in the throughput (compared with the design capacity) for a bubble cap distillation column, its efficiency

Increases

May increase or decrease ; depends on individual design

Remains same

Decreases

Increases

May increase or decrease ; depends on individual design

Remains same

Decreases

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Mass Transfer
For absorbing a sparingly soluble gas in a liquid

Liquid side mass transfer co-efficient should be increased

Mass transfer co-efficient must be kept constant

Gas side mass transfer co-efficient should be increased

Liquid side mass transfer co-efficient should be decreased

Liquid side mass transfer co-efficient should be increased

Mass transfer co-efficient must be kept constant

Gas side mass transfer co-efficient should be increased

Liquid side mass transfer co-efficient should be decreased

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Mass Transfer
With increase in solvent rate, the number of transfer units, NtoG, for a fixed degree of absorption from a fixed amount of gas

Remains same

Increases

Decreases linearly

Decreases

Remains same

Increases

Decreases linearly

Decreases

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Mass Transfer
Priming in a distillation column

Reduces the overall pressure drop

Results from very low gas velocity

Is characterised by the presence of foam throughout the space between trays

Is desirable from point efficiency consideration

Reduces the overall pressure drop

Results from very low gas velocity

Is characterised by the presence of foam throughout the space between trays

Is desirable from point efficiency consideration

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Mass Transfer

Mass Transfer Humidity chart is useful for the solution of problems concerning condensation, vaporisation and air conditioning. At a given dry bulb temperature, value of humidity obtained from the humidity chart directly, is in terms of __________ humidity.

Mass Transfer The most economical range of absorption factor is

Mass Transfer With decrease in the throughput (compared with the design capacity) for a bubble cap distillation column, its efficiency

Mass Transfer For absorbing a sparingly soluble gas in a liquid

Mass Transfer With increase in solvent rate, the number of transfer units, NtoG, for a fixed degree of absorption from a fixed amount of gas

Mass Transfer Priming in a distillation column

Mass Transfer
Humidity chart is useful for the solution of problems concerning condensation, vaporisation and air conditioning. At a given dry bulb temperature, value of humidity obtained from the humidity chart directly, is in terms of __________ humidity.

Mass Transfer
The most economical range of absorption factor is

Mass Transfer
With decrease in the throughput (compared with the design capacity) for a bubble cap distillation column, its efficiency

Mass Transfer
For absorbing a sparingly soluble gas in a liquid

Mass Transfer
With increase in solvent rate, the number of transfer units, NtoG, for a fixed degree of absorption from a fixed amount of gas

Mass Transfer
Priming in a distillation column