Chemical Engineering - Chemical Reaction Engineering

11.
Pure A in gas phase enters a reactor 50% of this A is converted to B through the reaction, A 3B. Mole fraction of A in the exit stream is
1/2
1/3
1/4
1/5
Answer: Option
Explanation:
No answer description is available. Let's discuss.

12.
The rate of reaction does not decrease appreciably as the reaction proceeds in case of __________ reactions.
autocatalytic
exothermic
endothermic
autothermal
Answer: Option
Explanation:
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13.
For all positive reaction orders for a particular duty,
mixed reactor is always larger than the plug-flow reactor.
ratio of the volume of the mixed reactor to that of the plug-flow reactor decreases with order.
reactor size is independent of the type of flow.
density variation during reaction affects design.
Answer: Option
Explanation:
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14.
The heat of reaction
depends on the pressure only.
depends on the mechanism of reaction only.
depends on both pressure and mechanism of reaction.
is independent of the mechanism of reaction.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

15.
Which of the following does not produce a change in the value of rate constant of a reaction ?
Pressure
Temperature
Concentration and catalyst
None of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.