Chemical Engineering - Chemical Reaction Engineering

16.
Pick the WRONG design guideline for a reactor in which the reactions, A R (desired) and A S (undesired) are to take place. The ratio of the reaction rates is .
use high pressure and eliminate inerts, when a > b.
avoid recycle, when a > b.
use batch reactor or plug flow reactor, when a > b.
use CSTR with a high conversion, when a > b.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

17.
With increase in temperature, the equilibrium __________ rises in case of endothermic reaction.
constant
conversion
both (a) & (b)
neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.

18.
In case of a consecutive unimolecular type first order reaction , the concentration of component __________ increases continuously with time.
S
R
A
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.

19.
Enzymes (a protein) are catalysts found in organisms. Its efficiency of catalysing a reaction is due to its capacity to lower the activation energy of the reaction. The enzyme ptyalin used for food digestion is present in
blood
saliva
intestine
gland
Answer: Option
Explanation:
No answer description is available. Let's discuss.

20.
Considering the endotheomic dissociation of CaCO3 in a closed vessel (CaCO3 CaO + CO2), the pressure of CO2 increases, if
a catalyst is added.
the temperature is increased.
an inert gas is pumped keeping the temperature constant.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.