Chemical Engineering - Chemical Reaction Engineering

31.
The equilibrium constant of a catalytic chemical reaction __________ due to the presence of a catalyst.
increases
decreases
remains unaffected
unpredictable from the data
Answer: Option
Explanation:
No answer description is available. Let's discuss.

32.
The rate constant of a chemical reaction increases by increasing the
temperature
pressure
reactant's concentration
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.

33.
The catalytic activity of enzymes is due to their capacity to lower the __________ energy.
activation
potential
kinetic
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.

34.
A first order reaction requires two unequal sized CSTR. Which of the following gives higher yield ?
Large reactor followed by smaller one.
Smaller reactor followed by larger one.
Either of the arrangement (a) or (b) will give the same yield.
Data insufficient, can't be predicted.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

35.
Pick out the correct statement.
A lower temperature favours the reaction of lower activation energy.
The dispersion number for a reactor/vessel is uL/D.
The rate controlling step in a reaction involving many steps is the fastetst step.
Pore volume and porosity of a catalyst is measured by Brunaver-Emmet-Teller (BET) technique.
Answer: Option
Explanation:
No answer description is available. Let's discuss.