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 9 of 50

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Q81.
The dimensions of rate constant for reaction 3A → B are (l/gm mole)/min. Therefore the reaction order is

a.

0

b.

1

c.

2

d.

3

Discuss
Answer: (c).2
Q82.
Pick out the correct statement

a.

Reactions with high activation energies are very temperature sensitive.

b.

Chemical equilibrium is a static state.

c.

A photochemical reaction is catalysed by light.

d.

A chemical reaction occurs when the energy of the reacting molecule is less than the activation energy of the reaction.

Discuss
Answer: (a).Reactions with high activation energies are very temperature sensitive.
Q83.
If the time required to complete a definite fraction of reaction varies inversely as the concentration of the reactants, then the order of reaction is

a.

0

b.

1

c.

2

d.

3

Discuss
Answer: (c).2
Q84.
For a zero order chemical reaction, the

a.

half life period is directly proportion to the initial concentration of the reac-tants.

b.

plot of products concentration with time is a straight line through the origin.

c.

products concentration increases linerarly with time.

d.

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

Discuss
Answer: (d).all (a), (b) and (c).
Q85.
In case of __________ reactions, the reaction rate does not decrease appreciably as the reaction proceeds.

a.

catalytic

b.

parallel

c.

series

d.

auto catalytic

Discuss
Answer: (d).auto catalytic
Q86.
For nearly isothermal operation involving large reaction time in a liquid-phase reaction, the most suitable reactor is a __________ reactor.

a.

stirred tank

b.

tubular flow

c.

batch

d.

fixed bed

Discuss
Answer: (a).stirred tank
Q87.
B.E.T. method can be used to determine the __________ of a porous catalyst.

a.

solid density

b.

pore volume

c.

surface area

d.

all (a), (b) and (c)

Discuss
Answer: (c).surface area
Q88.
A photochemical reaction is __________ light.

a.

initiated by

b.

accompanied with emission of

c.

catalysed by

d.

used to convert heat energy into

Discuss
Answer: (a).initiated by
Q89.
Pick out the wrong statement.

a.

In a batch reactor, which is exclusively used for liquid phase reactions; temperature pressure and composition may vary with time.

b.

In a semi-batch reactor, one reactant is charged batchwise, while the other reactant is fed continuously.

c.

In a continuous flow reactor, uniform concentration can not be maintained throughout the vessel even in a well agitated system.

d.

In a continuous flow reactor, both the reactants and the products flow out continuously.

Discuss
Answer: (c).In a continuous flow reactor, uniform concentration can not be maintained throughout the vessel even in a well agitated system.
Q90.
In a/an __________ reactor, there is exchange of heat with the surroundings with sizeable temperature variation.

a.

adiabatic

b.

isothermal

c.

non-adiabatic

d.

none of these.

Discuss
Answer: (c).non-adiabatic
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