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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
A reactor is generally termed as an autoclave, when it is a

Atmospheric pressure CSTR
High pressure tubular reactor
High pressure batch reactor
Atmospheric pressure tank reactor

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Chemical Reaction Engineering
For identical flow rate and feed composition, X plug flow reactors (PER) in series with a total volume V gives the same conversion as single

CSTR of volume V/X
PFR of volume V/X
PFR of volume V
CSTR of volume V

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Chemical Reaction Engineering
With increase in the space time of an irreversible isothermal reaction being carried out in a P.F. reactor, the conversion will

Increase
Remain same
Decrease
Data in insufficient; can't be predicted

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Chemical Reaction Engineering
The order of a chemical reaction is

Always equal to the total stoichiometric number of reactants
Never fractional
An experimentally determined quantity
None of these

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Chemical Reaction Engineering
If ΔG (free energy change) for a chemical reaction is very large and negative, then the reaction is

Very much feasible
Just feasible
Unpredictable as ΔG is no measure of feasibility of a reaction
Not feasible

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