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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Chemical Reaction Engineering
Pick the WRONG design guideline for a reactor in which the reactions, A → R (desired) and A → S (undesired) are to take place. The ratio of the reaction rates is rR/rS = (k₁/k₂).Csub>Aa-b

Use CSTR with a high conversion, when a > b
Avoid recycle, when a > b
Use batch reactor or plug flow reactor, when a > b
Use high pressure and eliminate inerts, when a > b

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Chemical Reaction Engineering
For an ideal gas mixture undergoing a reversible gaseous phase chemical reaction, the equilibrium constant

Increases /decreases with pressure depending on the stoichiometric co-efficients of the reaction
Is independent of pressure
Increases with pressure
Decreases with pressure

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