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Chemical Engineering - Chemical Reaction Engineering

Exercise : Chemical Reaction Engineering - Section 8
6.
For identical flow rate and feed composition, X plug flow reactors (PER) in series with a total volume V gives the same conversion as single
CSTR of volume V
PFR of volume V
CSTR of volume V/X
PFR of volume V/X
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
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.
3
4
6
8
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
For a __________ order reaction, the units of rate constant and rate of reaction are the same.
zero
first
second
fractional
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
In case of staged packed bed reactors carrying out exothermic reaction, use
high recycle for pure gas.
plug flow for dilute liquid requiring no large preheating of feed.
cold shot operations for a dilute solution requiring large preheating to bring the stream upto the reaction temperature.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
Vegetable oils are hydrogenated in a __________ reactor.
slurry
plug flow
homogeneous catalytic
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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