If the catalyst pore size is small in comparison with the mean free path, collisions with the pore wall controls the process'. The diffusivity under this condition is called 'Knudsen diffusivity', which is affected by the

Chemical Reaction Engineering
If the catalyst pore size is small in comparison with the mean free path, collisions with the pore wall controls the process'. The diffusivity under this condition is called 'Knudsen diffusivity', which is affected by the

Both A & B

Pressure

Neither A nor B

Temperature

Both A & B

Pressure

Neither A nor B

Temperature

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Chemical Reaction Engineering
The catalytic activity of enzymes is due to their capacity to lower the __________ energy.

Kinetic

None of these

Potential

Activation

Kinetic

None of these

Potential

Activation

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Chemical Reaction Engineering
For the same residence time, which one will give the maximum conversion?

Single tubular flow reactor (v = 5 litres)

Two stirred tank (each of 2.5 litres) in series

Stirred tank followed by tubular flow reactor (each of 2.5 litres)

Single stirred tank (v = 5 litres)

Single tubular flow reactor (v = 5 litres)

Two stirred tank (each of 2.5 litres) in series

Stirred tank followed by tubular flow reactor (each of 2.5 litres)

Single stirred tank (v = 5 litres)

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Chemical Reaction Engineering
The exit age distribution curve E(t) for an ideal CSTR with the average residence time, τ, is given by

1 - (e-t/τ/T)

E-t/τ/T

1 - e-t/τ

E-t/τ

1 - (e-t/τ/T)

E-t/τ/T

1 - e-t/τ

E-t/τ

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Chemical Reaction Engineering
The vessel dispersion number (D/μL) for plug flow is

750

∞

500

750

∞

500

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Chemical Reaction Engineering
Overall rate of reaction in a heterogenous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually __________ the concentration of catalyst, if it does not entail a chain mechanism.

Proportional to

Inversely proportional to

Independent of

Proportional to the square of

Proportional to

Inversely proportional to

Independent of

Proportional to the square of

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Chemical Reaction Engineering

Chemical Reaction Engineering If the catalyst pore size is small in comparison with the mean free path, collisions with the pore wall controls the process'. The diffusivity under this condition is called 'Knudsen diffusivity', which is affected by the

Chemical Reaction Engineering The catalytic activity of enzymes is due to their capacity to lower the __________ energy.

Chemical Reaction Engineering For the same residence time, which one will give the maximum conversion?

Chemical Reaction Engineering The exit age distribution curve E(t) for an ideal CSTR with the average residence time, τ, is given by

Chemical Reaction Engineering The vessel dispersion number (D/μL) for plug flow is

Chemical Reaction Engineering Overall rate of reaction in a heterogenous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually __________ the concentration of catalyst, if it does not entail a chain mechanism.

Chemical Reaction Engineering
If the catalyst pore size is small in comparison with the mean free path, collisions with the pore wall controls the process'. The diffusivity under this condition is called 'Knudsen diffusivity', which is affected by the

Chemical Reaction Engineering
The catalytic activity of enzymes is due to their capacity to lower the __________ energy.

Chemical Reaction Engineering
For the same residence time, which one will give the maximum conversion?

Chemical Reaction Engineering
The exit age distribution curve E(t) for an ideal CSTR with the average residence time, τ, is given by

Chemical Reaction Engineering
The vessel dispersion number (D/μL) for plug flow is

Chemical Reaction Engineering
Overall rate of reaction in a heterogenous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually __________ the concentration of catalyst, if it does not entail a chain mechanism.