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 41 of 50

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Q401.
For the same residence time, which one will give the maximum conversion ?

a.

Single stirred tank (v = 5 litres).

b.

Two stirred tank (each of 2.5 litres) in series.

c.

Stirred tank followed by tubular flow reactor (each of 2.5 litres).

d.

Single tubular flow reactor (v = 5 litres).

Discuss
Answer: (d).Single tubular flow reactor (v = 5 litres).
Q402.
__________ gas is normally employed in B.E.T.method of finding out the surface area of catalyst.

a.

N₂

b.

H₂

c.

CO₂

d.

He

Discuss
Answer: (a).N₂
Q403.
The rate constant of a reaction depends on the

a.

initial concentration of reactants.

b.

time of reaction.

c.

temperature of the system.

d.

extent of reaction.

Discuss
Answer: (c).temperature of the system.
Q404.
For the reversible reaction A ↔ 2B, if the equilibrium constant K is 0.05 mole/litre; starting from initially 2 moles of A and zero moles of B, how many moles will be formed at equilibrium ?

a.

0.253

b.

0.338

c.

0.152

d.

0.637

Discuss
Answer: (b).0.338
Q405.
A batch reactor suffers from following disadvantage.

a.

Poor product quality control.

b.

High labour and handling cost.

c.

High shutdown time requirement for emptying, cleaning and refilling.

d.

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

Discuss
Answer: (d).All (a), (b) and (c).
Q406.
A first order reaction is to be treated in a series of two mixed reactors. The total volume of the two reactors is minimum, when the reactors are

a.

equal in size.

b.

of different sizes.

c.

of such size that the ratio of their volumes is < 5.

d.

none of these.

Discuss
Answer: (a).equal in size.
Q407.
Half life period of a chemical reaction is proportional to Cᴀ₀⁻¹ , if the reaction is of __________ order.

a.

first

b.

zero

c.

second

d.

third

Discuss
Answer: (c).second
Q408.
The irreversible reaction, X → Y, is the special case of the reversible reaction, X ↔ Y, in which the

a.

equilibrium constant is infinite.

b.

fractional conversion of 'A' at equilibrium is unity.

c.

concentration of 'A' at equilibrium is zero.

d.

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

Discuss
Answer: (d).all (a), (b) and (c).
Q409.
In a first order reaction, the time required to reduce the concentration of reactant from 1 mole/litre to 0.5 mole/litre will be __________ that required to reduce it from 10 moles/litre to 5 moles/litre in the same volume.

a.

more than

b.

less than

c.

same as

d.

data insufficient; can't be predicted.

Discuss
Answer: (c).same as
Q410.
Photo-chemical reactions occur in presence of

a.

sunlight.

b.

darkness.

c.

solid catalysts.

d.

monochromatic radiation only.

Discuss
Answer: (a).sunlight.
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