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Chemical Engineering - Chemical Reaction Engineering

Exercise : Chemical Reaction Engineering - Section 5
46.
Which of the following is an autocatalytic reaction ?
Photochemical reactions
Microbial fermentation reaction
Enzyme fermentation reaction
Ammonia synthesis reaction
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
The performance of a cascade of CSTR's can be improved by adding
a P.F. reactor in series.
a P.F. reactor in parallel.
more CSTR's in series.
more CSTR's in parallel.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
A multiple reaction may be classified as a __________ reaction.
consecutive or side
parallel or side
mixed
all (a), (b) and (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
Holding time for flow reactors is __________ the space time, for constant fluid density
double
triple
equal to
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
Pick out the wrong statement.
In a multistep reaction, the slowest step is the rate determining step.
In general, the rate of a reaction becomes triple for every 10°C rise in temperature.
Slow chemical reactions have generally high values of activation energy.
Molecularity of a reaction can not be zero but the order of a reaction can be zero.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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