The Reynolds number of the liquid was increased 100 fold for a laminar falling film used for gas-liquid contacting. Assuming penetrating theory is applicable, the fold increase in the mass transfer co-efficient (Kc) for the same sytem is

Mass Transfer
The Reynolds number of the liquid was increased 100 fold for a laminar falling film used for gas-liquid contacting. Assuming penetrating theory is applicable, the fold increase in the mass transfer co-efficient (Kc) for the same sytem is

10

100

1

5

10

100

1

5

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Mass Transfer
Leaching of coffee from coffee beans is done by

Dilute H₂SO₄ (hot)

Lime water

Hot water

Hexane

Dilute H₂SO₄ (hot)

Lime water

Hot water

Hexane

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Mass Transfer
Blowdown in a cooling tower

Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities

Increases the scale forming tendencies of water

All of these

Is undesirable

Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities

Increases the scale forming tendencies of water

All of these

Is undesirable

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Mass Transfer
The mass transfer co-efficient for a solid sphere of radius 'a' dissolving in a large volume of quiescent liquid, in which D is the diffusivity of solute, is

D/2a

Dependent on the Reynolds number

Proportional to √D

D/a

D/2a

Dependent on the Reynolds number

Proportional to √D

D/a

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Mass Transfer
An alkaline solution is used to reduce the concentration of carbon dioxide in a stream from 10% to 0.1% by absorption with irreversible chemical reaction. The overall number of transfer units based on gas phase is

9.21

100

0.001

4.605

9.21

100

0.001

4.605

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Mass Transfer
______ extractor uses centrifugal force for separating the two phases.

Podbielniak

Treybal

None of the listed here

Schiebel

Podbielniak

Treybal

None of the listed here

Schiebel

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Mass Transfer

Mass Transfer The Reynolds number of the liquid was increased 100 fold for a laminar falling film used for gas-liquid contacting. Assuming penetrating theory is applicable, the fold increase in the mass transfer co-efficient (Kc) for the same sytem is

Mass Transfer Leaching of coffee from coffee beans is done by

Mass Transfer Blowdown in a cooling tower

Mass Transfer The mass transfer co-efficient for a solid sphere of radius 'a' dissolving in a large volume of quiescent liquid, in which D is the diffusivity of solute, is

Mass Transfer An alkaline solution is used to reduce the concentration of carbon dioxide in a stream from 10% to 0.1% by absorption with irreversible chemical reaction. The overall number of transfer units based on gas phase is

Mass Transfer ______ extractor uses centrifugal force for separating the two phases.

Mass Transfer
The Reynolds number of the liquid was increased 100 fold for a laminar falling film used for gas-liquid contacting. Assuming penetrating theory is applicable, the fold increase in the mass transfer co-efficient (Kc) for the same sytem is

Mass Transfer
Leaching of coffee from coffee beans is done by

Mass Transfer
Blowdown in a cooling tower

Mass Transfer
The mass transfer co-efficient for a solid sphere of radius 'a' dissolving in a large volume of quiescent liquid, in which D is the diffusivity of solute, is

Mass Transfer
An alkaline solution is used to reduce the concentration of carbon dioxide in a stream from 10% to 0.1% by absorption with irreversible chemical reaction. The overall number of transfer units based on gas phase is

Mass Transfer
______ extractor uses centrifugal force for separating the two phases.