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 46 of 50

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Q451.
The synthesis of proteins and metabolism in biological objects occur in the presence of biocatalyst called

a.

a ferment or an enzyme

b.

haemoglobin

c.

fungi

d.

none of these

Discuss
Answer: (c).fungi
Q452.
Pick out the wrong statement.

a.

A particular chemical reaction is more temperature sensitive at low temperatures.

b.

A very high value of equilibrium constant, K (K >> 1) indicates that the reaction is practically irreversible in nature.

c.

The intercept of the Arrhenious plot is called the 'activation energy'.

d.

Non-ideal flow takes place in reactors due to recycling, channeling or by creation of stagnant regions.

Discuss
Answer: (c).The intercept of the Arrhenious plot is called the 'activation energy'.
Q453.
Kinetics of a catalytic reaction can be best studied on a/an __________ reactor.

a.

mixed

b.

integral (plug flow)

c.

differential (flow)

d.

either (a), (b) and (c).

Discuss
Answer: (d).either (a), (b) and (c).
Q454.
In case of a __________ reactor, the composition in the reactor and at the exit of the reactor is the same.

a.

semi-batch

b.

tubular

c.

batch

d.

back-mix

Discuss
Answer: (d).back-mix
Q455.
Exothermic reactions are best carried out in

a.

a CSTR.

b.

CSTR in series.

c.

a plug flow reactor followed by CSTR.

d.

CSTR followed by a plug flow reactor.

Discuss
Answer: (d).CSTR followed by a plug flow reactor.
Q456.
The rate of a gas phase reaction is given by K . Cแด€ . Cส™. If the volume of the reaction vessel is reduced to 1/4th of its initial volume, then the reaction rate compared to the original rate will be __________ times.

a.

4

b.

16

c.

8

d.

2

Discuss
Answer: (b).16
Q457.
Rate of a chemical reaction is not affected by the

a.

catalyst.

b.

temperature.

c.

reactant's concentration.

d.

number of molecules of reactants taking part in the reaction.

Discuss
Answer: (d).number of molecules of reactants taking part in the reaction.
Q458.
Overall rate of reaction in a heterogenous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually __________ the concentration of catalyst, if it does not entail a chain mechanism.

a.

proportional to

b.

independent of

c.

inversely proportional to

d.

proportional to the square of

Discuss
Answer: (a).proportional to
Q459.
__________ resistance is not involved in the combustion of a carbon particle.

a.

Gas film

b.

Ash

c.

Chemical reaction

d.

none of these

Discuss
Answer: (b).Ash
Q460.
In an ideal P.F.R. at steady state conditions

a.

the composition of reactants remains constant along a flow path.

b.

the conversion of the reactant varies from point to point along a flow path.

c.

there is no lateral mixing of fluid.

d.

there may be diffusion along the flow path.

Discuss
Answer: (b).the conversion of the reactant varies from point to point along a flow path.
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