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Chemical Engineering - Chemical Reaction Engineering

Exercise : Chemical Reaction Engineering - Section 8
21.
In a first order reaction, the time required to reduce the concentration of reactant from 1 mole/litre to 0.5 mole/litre will be __________ that required to reduce it from 10 moles/litre to 5 moles/litre in the same volume.
more than
less than
same as
data insufficient; can't be predicted.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
Photo-chemical reactions occur in presence of
sunlight.
darkness,
solid catalysts.
monochromatic radiation only.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
'n' number of plug flow reactors (P.F.R) in series with a total volume 'V' gives the same conversion as one P.F.R. of volume
V/n
V
V.n
1/V
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
Knudsen diffusion is directly proportional to
T
T
1/T
T2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
Fractional conversion __________ for an exothermic reversible chemical reaction, when the temperature is maximum.
increases
remains unchanged
decreases
unpredictable from the data
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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