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Chemical Reaction Engineering

Chemical Reaction Engineering
If Thiele modulus is __________ , then the pore diffusion resistance in a catalyst may be considered as negligible.

> 0.5
∞
< 0.5
0

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Chemical Reaction Engineering
For a fluidised bed reactor, the most suitable/relevant model is a __________ model.

Tank in series
Bubbling bed
Plug flow
None of these

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Chemical Reaction Engineering
Variables affecting the rate of homogeneous reactions are

Pressure and temperature only
Pressure, temperature and composition
Temperature and composition only
Pressure and composition only

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Chemical Reaction Engineering
The exit age distribution of fluid leaving a vessel is used to know the

None of these
Extent of non-ideal flow in the vessel
Activation energies of a reaction
Reaction mechanism

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Chemical Reaction Engineering
Fluid flow in a real packed bed can be approximated as __________ model.

Tank in series
Dispersion
Plug flow
Mixed flow

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Chemical Reaction Engineering
__________ gas is normally employed in B.E.T.method of finding out the surface area of catalyst.

CO₂
H₂
N₂
He

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