Chemical Reaction Engineering MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Chemical Reaction Engineering, a fundamental topic in the field of Basic Chemical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Chemical Reaction Engineering MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Chemical Reaction Engineering mcq questions that explore various aspects of Chemical Reaction Engineering problems. Each MCQ is crafted to challenge your understanding of Chemical Reaction Engineering principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Basic Chemical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Chemical Reaction Engineering MCQs are your pathway to success in mastering this essential Basic Chemical Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Chemical Reaction Engineering. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Chemical Reaction Engineering knowledge to the test? Let's get started with our carefully curated MCQs!

Chemical Reaction Engineering MCQs | Page 34 of 50

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Q331.
From collison theory, the reaction rate constant is proportional to

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (d).D
Q332.
For a mixed flow reactor operating at steady state, the rate of reaction is given by

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q333.
Transition state theory gives the rate constant as

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q334.
A liquid phase reaction is to be carried out under isothermal conditions. The reaction rate as a function of conversion has been determined experimentally and is shown in the figure given below. What choice of reactor or combination of reactors will require the minimum overall reactor volume, if a conversion of 0.9 is desired ?

a.

CSTR followed by a PFR

b.

PFR followed by a CSTR

c.

CSTR followed by a PFR followed by a CSTR.

d.

PFR followed by a CSTR followed by a PFR.

Discuss
Answer: (d).PFR followed by a CSTR followed by a PFR.
Q335.
In a reversible reaction, a catalyst increases the rate of forward reaction

a.

only.

b.

to a greater extent than that of the backward reaction.

c.

and decreases that of the backward reaction.

d.

and the backward reaction equally.

Discuss
Answer: (d).and the backward reaction equally.
Q336.
Maximum equilibrium conversion for endothermic reaction is obtained at the __________ temperature.

a.

highest possible

b.

lowest possible

c.

intermediate

d.

room

Discuss
Answer: (a).highest possible
Q337.
When an exothermic reversible reaction is conducted adiabatically, the rate of reaction

a.

continuously increases.

b.

continuously decreases.

c.

passes through a maximum.

d.

passes through a minimum.

Discuss
Answer: (c).passes through a maximum.
Q338.
For a first order chemical reaction in a porous catalyst, the Thiele modulus is 10. The effectiveness factor is approximately equal to

a.

1

b.

0.5

c.

0.1

d.

0

Discuss
Answer: (c).0.1
Q339.
In solid catalysed reactions the diffusional effects are more likely to affect the overall rate of reaction for

a.

fast reactions in catalyst of small pore diameter.

b.

fast reaction in catalyst of large pore diameter.

c.

slow reactions in catalyst of small pore diameter.

d.

slow reactions in catalyst of large pore diameter.

Discuss
Answer: (c).slow reactions in catalyst of small pore diameter.
Q340.
Helium-mercury method can be used to determine the __________ of the catalyst particle.

a.

pore volume

b.

solid density

c.

porosity

d.

all (a), (b), & (c).

Discuss
Answer: (d).all (a), (b), & (c).
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