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

100

5

10

1

100

5

10

1

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Mass Transfer
For gas absorption, low viscosity solvents are preferred, because of their

All of these

Rapid absorption rates

Better flow characteristics

Low pumping pressure drop

All of these

Rapid absorption rates

Better flow characteristics

Low pumping pressure drop

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Mass Transfer
Free flowing granular materials can be best dried in a __________ drier.

Freeze

Rotary

Cylinder

Drun

Freeze

Rotary

Cylinder

Drun

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Mass Transfer
Channelling is most severe

In towers packed randomly with crushed solids

In towers packed with stacked packing

At very high liquid flow rate

In dumped packing of regular units

In towers packed randomly with crushed solids

In towers packed with stacked packing

At very high liquid flow rate

In dumped packing of regular units

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Mass Transfer
When the solvent dissolves very little of solute, then

Very small quantity of solvent is required

Large quantity of solvent is required to extract the solute

Solvent of low freezing point should be used

Solvent of low latent heat of vaporisation should be used

Very small quantity of solvent is required

Large quantity of solvent is required to extract the solute

Solvent of low freezing point should be used

Solvent of low latent heat of vaporisation should be used

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Mass Transfer
In case of __________ distillation, a solvent is added to alter the relative volatility of the mixture to be separated.

Azeotropic

Molecular

Flash

Extractive

Azeotropic

Molecular

Flash

Extractive

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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 For gas absorption, low viscosity solvents are preferred, because of their

Mass Transfer Free flowing granular materials can be best dried in a __________ drier.

Mass Transfer Channelling is most severe

Mass Transfer When the solvent dissolves very little of solute, then

Mass Transfer In case of __________ distillation, a solvent is added to alter the relative volatility of the mixture to be separated.

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
For gas absorption, low viscosity solvents are preferred, because of their

Mass Transfer
Free flowing granular materials can be best dried in a __________ drier.

Mass Transfer
Channelling is most severe

Mass Transfer
When the solvent dissolves very little of solute, then

Mass Transfer
In case of __________ distillation, a solvent is added to alter the relative volatility of the mixture to be separated.