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CHEMICAL REACTION ENGINEERING

Chemical Reaction Engineering
For high conversion in a highly exothermic solid catalysed reaction, use a __________ bed reactor.

Fluidised bed reactor followed by a fixed
Fixed bed reactor followed by a fluidised
Fluidised
Fixed

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Chemical Reaction Engineering
The rate of the chemical reaction A → B doubles as the concentration of A i.e.., CA is doubled. If rate of reaction is proportional to CAn, then what is the value of n for this reaction?

1
0.5
2

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Chemical Reaction Engineering
Which of the following fixes the volume of a batch reactor for a particular conversion and production rate?

Density of mixture
None of these
Operating conditions (e.g. pressure and temperature)
Rate constant

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

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Chemical Reaction Engineering
The conversion XA and residence time data are collected for zero order liquid phase reaction in a stirred tank reactor. Which of the following will be a straight line?

XA Vs . τ
XA/(1 - XA)Vs τ
XA Vs ln τ
XA(1 - XA)Vs τ

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