Chemical Reaction Engineering
Which of the following is the optimum operating condition for an exothermic reversible reaction taking place in a plug-flow reactor?

None of these
Very low temperature should be used throughout the reaction
Very high temperature should be used throughout the reaction
Temperature should be high in the beginning and decreased towards the end of the reaction

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Chemical Reaction Engineering
The optimum performance for reactors operating in parallel is obtained when the feed stream is distributed in such a way, that the

Space time for each parallel line is same
None of these
Space time for parallel lines is different
Larger reactors have more space time compared to smaller ones

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