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

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

Only liquid phase obeys Dalton's law

Only vapor phase follows Raoult's law

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

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

Only liquid phase obeys Dalton's law

Only vapor phase follows Raoult's law

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

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Mass Transfer
The film penetration model of mass transfer was enunciated by

Fick

Toor and Marchello

Gilliland

Stefan

Fick

Toor and Marchello

Gilliland

Stefan

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Mass Transfer
Molecular diffusion is caused by the

Activation energy of the molecules

Thermal energy of the molecules

Potential energy of the molecules

Transfer of molecules from low concentration to high concentration region

Activation energy of the molecules

Thermal energy of the molecules

Potential energy of the molecules

Transfer of molecules from low concentration to high concentration region

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Mass Transfer
If G = insoluble gas in gas stream and L = non-volatile solvent in liquid stream, then the slope of the operating line for the absorber is

L/G

None of these

Always < 1

G/L

L/G

None of these

Always < 1

G/L

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Mass Transfer
At what value of reflux ratio, number of theoretical plates in a distillation column is minimum?

∞

1

< 1

∞

1

< 1

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Mass Transfer
Acetone is to be removed from air in an isothermal dilute absorber using pure water as solvent. The incoming air contains 5 mole% of acetone (yin = 0.05). The design equation to be used for obtaining the number of trays (N) of the absorber is, N+2 = 6 log (yin/yout).For 98% recovery of acetone, the number of trays required is/are

1

10

9

8

1

10

9

8

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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 film penetration model of mass transfer was enunciated by

Mass Transfer Molecular diffusion is caused by the

Mass Transfer If G = insoluble gas in gas stream and L = non-volatile solvent in liquid stream, then the slope of the operating line for the absorber is

Mass Transfer At what value of reflux ratio, number of theoretical plates in a distillation column is minimum?

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 film penetration model of mass transfer was enunciated by

Mass Transfer
Molecular diffusion is caused by the

Mass Transfer
If G = insoluble gas in gas stream and L = non-volatile solvent in liquid stream, then the slope of the operating line for the absorber is

Mass Transfer
At what value of reflux ratio, number of theoretical plates in a distillation column is minimum?