A distillation column with N plates is being operated under normal conditions. At some point of time, the operation is shifted to total reflux condition (i.e., no product and residue are being withdrawn and feed to the column is stopped). At the new steady state,

Mass Transfer
A distillation column with N plates is being operated under normal conditions. At some point of time, the operation is shifted to total reflux condition (i.e., no product and residue are being withdrawn and feed to the column is stopped). At the new steady state,

Reboiler load and condenser load are minimum

The top and bottom compositions are unchanged with and without total reflux

The top and bottom compositions correspond to the maximum enrichment available

Composition of vapors and that of liquid do not vary throughout the column

Reboiler load and condenser load are minimum

The top and bottom compositions are unchanged with and without total reflux

The top and bottom compositions correspond to the maximum enrichment available

Composition of vapors and that of liquid do not vary throughout the column

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Mass Transfer
In a packed bed absorption column, the channelling will be noted by the

Increase in flow rate

Sharp drop in pressure drop

Sharp rise in pressure drop

None of these

Increase in flow rate

Sharp drop in pressure drop

Sharp rise in pressure drop

None of these

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Mass Transfer
The adiabatic saturation curve for a vapour-gas mixture is

Slightly concave downward

Straight line

None of these

Slightly concave upward

Slightly concave downward

Straight line

None of these

Slightly concave upward

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Mass Transfer
In case of absorption, both the operating and equilibrium lines will be straight for

Dilute solutions and isothermal operation

Dilute solutions

Isothermal operation

None of these

Dilute solutions and isothermal operation

Dilute solutions

Isothermal operation

None of these

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Mass Transfer
At a fixed total pressure, humidity depends only on the

Heat capacity of the vapour

Partial pressure of vapour in the mixture

Density of the vapour

None of these

Heat capacity of the vapour

Partial pressure of vapour in the mixture

Density of the vapour

None of these

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Mass Transfer
Pick out the wrong statement. Raoult's law does not apply, when the

Chemical combination or molecular association between unlike molecules takes place in the formation of solution

Attractive forces between like and unlike molecules in the solution are approximately equal

Component molecules are nonpolar

Size of component molecules are not equal

Chemical combination or molecular association between unlike molecules takes place in the formation of solution

Attractive forces between like and unlike molecules in the solution are approximately equal

Component molecules are nonpolar

Size of component molecules are not equal

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Mass Transfer

Mass Transfer A distillation column with N plates is being operated under normal conditions. At some point of time, the operation is shifted to total reflux condition (i.e., no product and residue are being withdrawn and feed to the column is stopped). At the new steady state,

Mass Transfer In a packed bed absorption column, the channelling will be noted by the

Mass Transfer The adiabatic saturation curve for a vapour-gas mixture is

Mass Transfer In case of absorption, both the operating and equilibrium lines will be straight for

Mass Transfer At a fixed total pressure, humidity depends only on the

Mass Transfer Pick out the wrong statement. Raoult's law does not apply, when the

Mass Transfer
A distillation column with N plates is being operated under normal conditions. At some point of time, the operation is shifted to total reflux condition (i.e., no product and residue are being withdrawn and feed to the column is stopped). At the new steady state,

Mass Transfer
In a packed bed absorption column, the channelling will be noted by the

Mass Transfer
The adiabatic saturation curve for a vapour-gas mixture is

Mass Transfer
In case of absorption, both the operating and equilibrium lines will be straight for

Mass Transfer
At a fixed total pressure, humidity depends only on the

Mass Transfer
Pick out the wrong statement. Raoult's law does not apply, when the