Relative volatility varies with the concentration of component for an ideal solution. The relative volatity of a binary mixture may be defined as the ratio of vapor pressure of component 'A' to that of component 'B', when

Mass Transfer
Relative volatility varies with the concentration of component for an ideal solution. The relative volatity of a binary mixture may be defined as the ratio of vapor pressure of component 'A' to that of component 'B', when

Only liquid phase obeys Dalton's law

Only vapor phase follows Raoult's law

Liquid phase obeys Dalton's law and vapor phase obeys Raoult's law

Vapor phase obeys Dalton's law and liquid phase obeys Raoult's law

Only liquid phase obeys Dalton's law

Only vapor phase follows Raoult's law

Liquid phase obeys Dalton's law and vapor phase obeys Raoult's law

Vapor phase obeys Dalton's law and liquid phase obeys Raoult's law

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Mass Transfer
The value of NA/(NA + NB) for steady state molecular diffusion of gas 'A' through non-diffusing gas 'B' is

0.5

2

1

∞

0.5

2

1

∞

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Mass Transfer
Back-trapping in a distillation column

Is desirable, as it provides improved vapour-liquid contact

Increases tray efficiency

Reduces pressure drop

Decreases tray efficiency

Is desirable, as it provides improved vapour-liquid contact

Increases tray efficiency

Reduces pressure drop

Decreases tray efficiency

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Mass Transfer
Flooding in a column results due to

Low pressure drop

High temperature

High pressure drop

Low velocity of the liquid

Low pressure drop

High temperature

High pressure drop

Low velocity of the liquid

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Mass Transfer
For the flow of gases through a capillary, with increase in temperature, the permeability __________ as per Knudsen law.

Either A or B; depends on the gas

Decreases

Increases

Remains same

Either A or B; depends on the gas

Decreases

Increases

Remains same

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Mass Transfer
Reboiler is considered as one theoretical plate, because

Vapour is recycled to the column

Reboiler itself contains one plate

Of the assumption that vapour and liquid leaving the reboiler are in equilibrium

None of these

Vapour is recycled to the column

Reboiler itself contains one plate

Of the assumption that vapour and liquid leaving the reboiler are in equilibrium

None of these

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Mass Transfer

Mass Transfer Relative volatility varies with the concentration of component for an ideal solution. The relative volatity of a binary mixture may be defined as the ratio of vapor pressure of component 'A' to that of component 'B', when

Mass Transfer The value of NA/(NA + NB) for steady state molecular diffusion of gas 'A' through non-diffusing gas 'B' is

Mass Transfer Back-trapping in a distillation column

Mass Transfer Flooding in a column results due to

Mass Transfer For the flow of gases through a capillary, with increase in temperature, the permeability __________ as per Knudsen law.

Mass Transfer Reboiler is considered as one theoretical plate, because

Mass Transfer
Relative volatility varies with the concentration of component for an ideal solution. The relative volatity of a binary mixture may be defined as the ratio of vapor pressure of component 'A' to that of component 'B', when

Mass Transfer
The value of NA/(NA + NB) for steady state molecular diffusion of gas 'A' through non-diffusing gas 'B' is

Mass Transfer
Back-trapping in a distillation column

Mass Transfer
Flooding in a column results due to

Mass Transfer
For the flow of gases through a capillary, with increase in temperature, the permeability __________ as per Knudsen law.

Mass Transfer
Reboiler is considered as one theoretical plate, because