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Chemical Reaction Engineering

Chemical Reaction Engineering
Holding time for flow reactors is __________ the space time, for constant fluid density

Double
Equal to
None of these
Triple

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Chemical Reaction Engineering
The single parameter model proposed for describing non-ideal flow is the __________ model.

Neither A nor B
Tank in series
Both A & B
Dispersion

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Chemical Reaction Engineering
The value of 'n' for a chemical reaction A → B, whose reaction rate is → CAn, will be __________ if the rate of the reaction increases by a factor of 8, when the concentration of is doubled.

3
1
2

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Chemical Reaction Engineering
According to the 'law of mass action', the rate of reaction is directly proportional to the

Molar concentration of the reactants
Volume of the reaction vessel
Equilibrium constant
Nature of the reactants

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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
Plug flow
None of these

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Chemical Reaction Engineering
Time required for 50% decomposition of a liquid in an isothermal batch reactor following first order kinetics is 2 minutes. The time required for 75% decomposition will be about __________ minutes.

8
3
6
4

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