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 30 of 50

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Q291.
Half life period of a first order irreversible reaction A โ†’ B is

a.

k/2

b.

ln k/2

c.

ln 2/k

d.

ln 0.5/k

Discuss
Answer: (c).ln 2/k
Q292.
Which of the following fixes the volume of a batch reactor for a particular conversion and production rate ?

a.

Operating conditions (e.g. pressure and temperature)

b.

Rate constant

c.

Density of mixture

d.

None of these

Discuss
Answer: (c).Density of mixture
Q293.
Half life period of decomposition of a liquid 'A' by irreversible first order reaction is 12 minutes. The time required for 75% conversion of 'A' is __________ minutes.

a.

18

b.

24

c.

6

d.

12

Discuss
Answer: (b).24
Q294.
With increase in the space time of an irreversible isothermal reaction being carried out in a P.F. reactor, the conversion will

a.

increase

b.

decrease

c.

remain same

d.

data in insufficient; can't be predicted

Discuss
Answer: (a).increase
Q295.
In case of calcination of limestone, CaCOโ‚ƒCaO + COโ‚‚, the addition of more of CaO will result in __________ in the concentration of COโ‚‚.

a.

no change

b.

increase

c.

decrease

d.

unpredictable from the data

Discuss
Answer: (a).no change
Q296.
The order of the chemical reaction given below, whose rate equation is given as -rแด€ = KCแด€². Cส™ is

a.

0

b.

1

c.

2

d.

3

Discuss
Answer: (d).3
Q297.
With increase in Kโ‚‚/Kโ‚ in case of a unimolecular type elementary reactions given below, the fractional yield of 'R' in mixed reactor (for a given conversion of 'A')

a.

decreases

b.

increases

c.

increases linearly

d.

remains same

Discuss
Answer: (a).decreases
Q298.
Collision theory gives the rate constant for bimolecular reaction as

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q299.
The temperature dependence of reaction rate constant (K) by Arhenius law is given by

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q300.
For a __________ order chemical reaction given below, the fractional conversion of reactant 'A' is proportional to time.

a.

zero

b.

first

c.

second

d.

third

Discuss
Answer: (a).zero
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