H₂S is being absorbed in a gas absorber unit. The height of the transfer unit based on the overall mass transfer coefficient on the gas side is 0.4 m. The equilibrium data is given by, y = 1.5 x. The bulk concentration of H₂S has to be reduced from 0.05 to 0.001 mole fraction in the gas side. The height of the tower (in metres) corresponding to an operating line given by, y = 5x + 0.001 is

Mass Transfer
H₂S is being absorbed in a gas absorber unit. The height of the transfer unit based on the overall mass transfer coefficient on the gas side is 0.4 m. The equilibrium data is given by, y = 1.5 x. The bulk concentration of H₂S has to be reduced from 0.05 to 0.001 mole fraction in the gas side. The height of the tower (in metres) corresponding to an operating line given by, y = 5x + 0.001 is

1.56

1

0.56

2

1.56

1

0.56

2

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Mass Transfer
Molecular diffusion is caused by the

Activation energy of the molecules

Transfer of molecules from low concentration to high concentration region

Thermal energy of the molecules

Potential energy of the molecules

Activation energy of the molecules

Transfer of molecules from low concentration to high concentration region

Thermal energy of the molecules

Potential energy of the molecules

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Mass Transfer
Decoction refers to the use of solvent

None of these

In its vapor form

At ambient temperature

At its boiling point

None of these

In its vapor form

At ambient temperature

At its boiling point

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Mass Transfer
With decrease in the throughput (compared with the design capacity) for a bubble cap distillation column, its efficiency

Increases

Decreases

Remains same

May increase or decrease ; depends on individual design

Increases

Decreases

Remains same

May increase or decrease ; depends on individual design

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Mass Transfer
With increase in temperature, the rate of extraction in leaching (solid-liquid extraction system)

Increases Linearly

Remains unaffected

Increases

Decreases

Increases Linearly

Remains unaffected

Increases

Decreases

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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

1

2

∞

0.5

1

2

∞

0.5

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Mass Transfer

Mass Transfer Molecular diffusion is caused by the

Mass Transfer Decoction refers to the use of solvent

Mass Transfer With decrease in the throughput (compared with the design capacity) for a bubble cap distillation column, its efficiency

Mass Transfer With increase in temperature, the rate of extraction in leaching (solid-liquid extraction system)

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

Mass Transfer
Molecular diffusion is caused by the

Mass Transfer
Decoction refers to the use of solvent

Mass Transfer
With decrease in the throughput (compared with the design capacity) for a bubble cap distillation column, its efficiency

Mass Transfer
With increase in temperature, the rate of extraction in leaching (solid-liquid extraction system)

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