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Chemical Reaction Engineering

Chemical Reaction Engineering
A chemical reaction is of zero order, when the reaction rate is (where, CA = concentration of reactant)

∝ CA
∝ 1/CA
None of these
Independent of temperature

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Chemical Reaction Engineering
The 'E' curve for a non-ideal reactor defines the fraction of fluid having age between t and t + dt

At the outlet
At the inlet
In the reactor
Averaged over the inlet and outlet

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Chemical Reaction Engineering
A stirred tank reactor compared to tubular-flow reactor provides

More uniform operating conditions
Higher overall selectivity for a first order consecutive reaction
Permits operation at the optimum temperature for a long reaction time
All of these

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

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

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Chemical Reaction Engineering
Which of the following is an independent variable for a batch tank reactor with uniform concentration and temperature?

Time
None of these
Diameter of the reactor
Useful volume of the tank

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Chemical Reaction Engineering
Velocity of a reaction depends upon the

Concentration of the reactants
All of these
Temperature at which the reaction is carried
Nature of the reactants

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