Chemical Engineering - Chemical Reaction Engineering

1.
The minimum energy required to allow a chemical reaction to proceed is termed as the 'threshold energy '. Chemical reaction with low activation energy are
always irreversible.
insensitive to temperature changes.
mostly irreversible.
highly temperature sensitive.
Answer: Option
Explanation:
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2.
If Thiele modulus is __________ , then the pore diffusion resistance in a catalyst may be considered as negligible.
0
< 0.5
> 0.5
Answer: Option
Explanation:
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3.
From collison theory, the reaction rate constant is proportional to
T
Answer: Option
Explanation:
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4.
For a mixed flow reactor operating at steady state, the rate of reaction is given by
Answer: Option
Explanation:
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5.
Catalytic action in a catalytic chemical reaction follows from the ability of catalyst to change the
activation energy
equilibrium constant
heat of reaction
none of these
Answer: Option
Explanation:
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