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Chemical Reaction Engineering

Chemical Reaction Engineering
For the reaction, A + B → 2B + C,

rA = rB
rA = 2rB
rA = -rB
rA = rB/2

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Chemical Reaction Engineering
Exothermic reactions are best carried out in

CSTR followed by a plug flow reactor
CSTR in series
A plug flow reactor followed by CSTR
A CSTR

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Chemical Reaction Engineering
The sequence in which three CSTR's of volumes 5, 10 and 15 m³ will be connected in series to obtain the maximum production in a second order irreversible reaction is

10, 15, 5
10, 5, 15
5, 10, 15
15, 10, 5

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Chemical Reaction Engineering
If the rate of a chemical reaction becomes slower at a given temperature, then the

Free energy of activation is higher
Entropy changes
Free energy of activation is lower
Initial concentration of the reactants remains constant

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

Bubbling bed
Tank in series
None of these
Plug flow

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Chemical Reaction Engineering
Which of the following is an autocatalytic reaction?

Microbial fermentation reaction
Ammonia synthesis reaction
Photochemical reactions
Enzyme fermentation reaction

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