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

5

1

100

10

5

1

100

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Mass Transfer
Pick out the wrong statement pertaining to leaching.

Door classifier can be used for leaching of coarse solids

Fine solids can not be leached in a Pachuka tank

Very high temperature is not needed for the leaching of sugar beet

Vegetable seeds can be leached in either of Bollman extractor, Rotocel or Kennedy extractor

Door classifier can be used for leaching of coarse solids

Fine solids can not be leached in a Pachuka tank

Very high temperature is not needed for the leaching of sugar beet

Vegetable seeds can be leached in either of Bollman extractor, Rotocel or Kennedy extractor

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Mass Transfer
In case of an absorber, the operating

Velocity is more than the loading velocity

Line always lies above the equilibrium curve

Line can be either above or below the equilibrium curve

Line always lies below the equilibrium curve

Velocity is more than the loading velocity

Line always lies above the equilibrium curve

Line can be either above or below the equilibrium curve

Line always lies below the equilibrium curve

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Mass Transfer
Which of the following parameters remains almost constant during adiabatic saturation of unsaturated air?

Dry bulb temperature

Wet bulb temperature

None of these

Dew point

Dry bulb temperature

Wet bulb temperature

None of these

Dew point

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Mass Transfer
Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second.

1

> 10

1 to 5

5 to 10

1

> 10

1 to 5

5 to 10

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Mass Transfer
If the specific heats of a gas and a vapor are 0.2KJ/Kg.°K and 1.5 KJ/Kg.°K respectively, and the humidity is 0.01; the humid heat in KJ/°Kg. is

0.31

0.107

0.215

0.017

0.31

0.107

0.215

0.017

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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 Pick out the wrong statement pertaining to leaching.

Mass Transfer In case of an absorber, the operating

Mass Transfer Which of the following parameters remains almost constant during adiabatic saturation of unsaturated air?

Mass Transfer Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second.

Mass Transfer If the specific heats of a gas and a vapor are 0.2KJ/Kg.°K and 1.5 KJ/Kg.°K respectively, and the humidity is 0.01; the humid heat in KJ/°Kg. 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

Mass Transfer
Pick out the wrong statement pertaining to leaching.

Mass Transfer
In case of an absorber, the operating

Mass Transfer
Which of the following parameters remains almost constant during adiabatic saturation of unsaturated air?

Mass Transfer
Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second.

Mass Transfer
If the specific heats of a gas and a vapor are 0.2KJ/Kg.°K and 1.5 KJ/Kg.°K respectively, and the humidity is 0.01; the humid heat in KJ/°Kg. is