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 42 of 50

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Q411.
The reason why a catalyst increases the rate of reaction is that, it

a.

decreases the energy barrier for reaction.

b.

increases the activation energy.

c.

decreases the molecular collision diameter.

d.

none of these.

Discuss
Answer: (a).decreases the energy barrier for reaction.
Q412.
A first order irreversible reaction, A → B is carried out separately in a constant volume as well as in a variable volume reactor for a particular period. It signifies that __________ in the two reactors.

a.

both conversion as well as concentration are same

b.

conversion in both will be the same but concentrations will be different

c.

both the conversion as well as concentrations will be different

d.

none of these.

Discuss
Answer: (b).conversion in both will be the same but concentrations will be different
Q413.
Which of the following is the most suitable for very high pressure gas phase reaction ?

a.

Batch reactor

b.

Tubular flow reactor

c.

Stirred tank reactor

d.

Fluidised bed reactor

Discuss
Answer: (b).Tubular flow reactor
Q414.
The reaction between oxygen and organic material is a/an __________ reaction.

a.

exothermic

b.

endothermic

c.

biochemical

d.

photochemical

Discuss
Answer: (a).exothermic
Q415.
With decrease in temperature, the equilibrium conversion of a reversible endother-mic reaction

a.

decreases

b.

increases

c.

remains unaffected

d.

increases linearly with temperature

Discuss
Answer: (a).decreases
Q416.
In an exothermic chemical reaction, the reactants compared to the products have

a.

higher temperature

b.

more energy

c.

less energy

d.

same energy.

Discuss
Answer: (b).more energy
Q417.
Which of the following will give maximum gas conversion ?

a.

Fixed bed reactor.

b.

Fluidised bed reactor.

c.

Semi-fluidised bed reactor.

d.

Plug-flow catalytic reactor.

Discuss
Answer: (c).Semi-fluidised bed reactor.
Q418.
__________ explains the mechanism of catalysis.

a.

Activated complex theory

b.

Collision theory

c.

Thermodynamics

d.

None of these

Discuss
Answer: (a).Activated complex theory
Q419.
From among the following, choose one which is not an exothermic process.

a.

Methanol synthesis

b.

Catalytic cracking

c.

Ammonia synthesis

d.

Oxidation of sulphur

Discuss
Answer: (b).Catalytic cracking
Q420.
The fractional volume change of the system for the isothermal gas phase reaction, A → 3B , between no conversion and complete conversion is

a.

0.5

b.

1

c.

2

d.

3

Discuss
Answer: (c).2
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