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Chemical Reaction Engineering

Chemical Reaction Engineering
Which of the following is a characteristic of an ideal plug flow reactor?

None of these
Uniform mixing
Flat velocity profile
Axial dispersion

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Chemical Reaction Engineering
With increase in the space time of an irreversible isothermal reaction being carried out in a P.F. reactor, the conversion will

Increase
Remain same
Data in insufficient; can't be predicted
Decrease

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Chemical Reaction Engineering
In case of __________ reactions, the reaction rate does not decrease appreciably as the reaction proceeds.

Series
Catalytic
Auto catalytic
Parallel

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Chemical Reaction Engineering
If Thiele modulus is __________ , then the pore diffusion resistance in a catalyst may be considered as negligible.

> 0.5
0
< 0.5
∞

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Chemical Reaction Engineering
Carbon particles accummulated on the catalyst used in the gas oil cracking lies in the category of __________ poison.

Stability
Selectivity
Chemisorbed
Deposited

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Chemical Reaction Engineering
The reactions with low activation energy are

Always spantaneous
Slow
Non-spontaneous
Fast

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