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Chemical Reaction Engineering

Chemical Reaction Engineering
The rate at which a chemical substance reacts is proportional to its

Active mass
Equivalent weight
None of these
Molecular weight

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Chemical Reaction Engineering
In the fluid catalytic cracker (FCC), the cracking reaction is __________ (i) and the regeneration is ____________ (ii)

(i) endothermic (ii) exothermic
(i) exothermic (ii) endothermic
(i) exothermic (ii) exothermic
(i) endothermic (ii) enodthermic

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Chemical Reaction Engineering
The excess energy of the reactants required to dissociate into products is known as the __________ energy.

Binding
Activation
Threshold
Thermal

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Chemical Reaction Engineering
The performance of a cascade of CSTR's can be improved by adding

A P.F. reactor in series
More CSTR's in parallel
More CSTR's in series
A P.F. reactor in parallel

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Chemical Reaction Engineering
The conversion for a first order liquid phase reaction. A → B in a CSTR is 50%. If another CSTR of the same volume is connected in series, then the % conversion at the exit of the second reactor will be

100
90
60
75

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Chemical Reaction Engineering
An endothermic second order reaction is carried out in an adiabatic plug flow reactor. The rate of heat generation is

Constant throughout the reactor
Maximum at the exit of the reactor
Maximum at the inlet of the reactor
Maximum at the centre of the reactor

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