Chemical Engineering - Chemical Reaction Engineering

26.
In a reversible reaction, a catalyst increases the rate of forward reaction
only.
to a greater extent than that of the backward reaction.
and decreases that of the backward reaction.
and the backward reaction equally.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

27.
Maximum equilibrium conversion for endothermic reaction is obtained at the __________ temperature.
highest possible
lowest possible
intermediate
room
Answer: Option
Explanation:
No answer description is available. Let's discuss.

28.
When an exothermic reversible reaction is conducted adiabatically, the rate of reaction
continuously increases.
continuously decreases.
passes through a maximum.
passes through a minimum.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

29.
For a first order chemical reaction in a porous catalyst, the Thiele modulus is 10. The effectiveness factor is approximately equal to
1
0.5
0.1
0
Answer: Option
Explanation:
No answer description is available. Let's discuss.

30.
The rate equation for the reaction represented by, is given by - rx = K1 . Cx/(1 + K2 Cx). At high value of Cx (i.e.., K2Cx > > 1), the order of the reaction and the rate constant are respectively
zero order & K1/K2
zero order & K1
first order & K1
first order & K1/K2
Answer: Option
Explanation:
No answer description is available. Let's discuss.