For the gas absorption, the height of a transfer unit, based on the gas phase is given by (G: superficial molar gas velocity, L: superficial molar liquid velocity, FG:mass transfer co-efficient, mols/m² , a: in-terfacial area per unit volume of tower)

Mass Transfer
For the gas absorption, the height of a transfer unit, based on the gas phase is given by (G: superficial molar gas velocity, L: superficial molar liquid velocity, FG:mass transfer co-efficient, mols/m² , a: in-terfacial area per unit volume of tower)

FG/(G.a)

L/(FG.G)

(G.a)/FG

F/(FG.a)

FG/(G.a)

L/(FG.G)

(G.a)/FG

F/(FG.a)

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Mass Transfer
Humid volume is the total volume in m³ of 1 kg of

Gas plus its accompanying vapour at 1 atm. and room temperature

Vapour laden gas at 1 atm. and room temperature

Gas plus its accompanying vapour at 1 atm. and gas temperature

Vapour laden gas at 1 atm. and gas temperature

Gas plus its accompanying vapour at 1 atm. and room temperature

Vapour laden gas at 1 atm. and room temperature

Gas plus its accompanying vapour at 1 atm. and gas temperature

Vapour laden gas at 1 atm. and gas temperature

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Mass Transfer
The Schmidt number which is defined as, μ/ρ D, is the ratio of the

Thermal diffusivity to the mass diffusivity

None of these

Momentum diffusivity to the thermal diffusivity

Momentum diffusivity to the mass dif-fusivity

Thermal diffusivity to the mass diffusivity

None of these

Momentum diffusivity to the thermal diffusivity

Momentum diffusivity to the mass dif-fusivity

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Mass Transfer
Separation of a mixture of two gases by absorption in the liquid solvent depends upon the difference in their

Solubility

Density

Viscosity

Relative volatility

Solubility

Density

Viscosity

Relative volatility

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Mass Transfer
In extractive distillation, solvent is

Of high viscosity to give high tray efficiency

Present in overhead stream

Added to alter the relative volatility of the mixture

Of high volatility

Of high viscosity to give high tray efficiency

Present in overhead stream

Added to alter the relative volatility of the mixture

Of high volatility

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Mass Transfer
In steam distillation, the

Temperature is 100°C

Temperature is more than 100° C

Temperature is higher than the boiling point of either component

Product must be immiscible with water

Temperature is 100°C

Temperature is more than 100° C

Temperature is higher than the boiling point of either component

Product must be immiscible with water

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Mass Transfer

Mass Transfer For the gas absorption, the height of a transfer unit, based on the gas phase is given by (G: superficial molar gas velocity, L: superficial molar liquid velocity, FG:mass transfer co-efficient, mols/m² , a: in-terfacial area per unit volume of tower)

Mass Transfer Humid volume is the total volume in m³ of 1 kg of

Mass Transfer The Schmidt number which is defined as, μ/ρ D, is the ratio of the

Mass Transfer Separation of a mixture of two gases by absorption in the liquid solvent depends upon the difference in their

Mass Transfer In extractive distillation, solvent is

Mass Transfer In steam distillation, the

Mass Transfer
For the gas absorption, the height of a transfer unit, based on the gas phase is given by (G: superficial molar gas velocity, L: superficial molar liquid velocity, FG:mass transfer co-efficient, mols/m² , a: in-terfacial area per unit volume of tower)

Mass Transfer
Humid volume is the total volume in m³ of 1 kg of

Mass Transfer
The Schmidt number which is defined as, μ/ρ D, is the ratio of the

Mass Transfer
Separation of a mixture of two gases by absorption in the liquid solvent depends upon the difference in their

Mass Transfer
In extractive distillation, solvent is

Mass Transfer
In steam distillation, the