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 16 of 50

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Q151.
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
Q152.
'Unreacted core model' represents the reaction involving

a.

combustion of coal particles.

b.

roasting of sulphide ores.

c.

manufacture of carbon disulphide from elements.

d.

none of these.

Discuss
Answer: (b).roasting of sulphide ores.
Q153.
The effect of increasing pressure on the gaseous equilibrium of the reaction 2X+3Y ↔ 3X+2Y indicates that

a.

pressure has no effect.

b.

backward reaction is favoured.

c.

forward reaction is favoured.

d.

none of these.

Discuss
Answer: (a).pressure has no effect.
Q154.
If in the gaseous phase reaction, N₂O₄ ↔ 2NO₂, x is the part of N₂O₄ which dissociates, then the number of molecules at equilibrium will be

a.

(1 + x)

b.

(1 - x)

c.

(1 + x)²

d.

(1 - x)²

Discuss
Answer: (a).(1 + x)
Q155.
A batch reactor is characterised by

a.

constant residence time.

b.

variation in extent of reaction and properties of the reaction mixture with time.

c.

variation in reactor volume.

d.

very low conversion.

Discuss
Answer: (b).variation in extent of reaction and properties of the reaction mixture with time.
Q156.
When a catalyst increases the rate of forward reaction, the value of rate constant

a.

increases

b.

decreases

c.

remain same

d.

becomes infinite

Discuss
Answer: (a).increases
Q157.
Rate determining step in a reaction consisting of a number of steps in series is the __________ step.

a.

fastest

b.

slowest

c.

intermediate

d.

data insufficient; can't be predicted

Discuss
Answer: (b).slowest
Q158.
The reaction in which one of the products of reaction acts as a catalyst is called a/an __________ reaction.

a.

biochemical

b.

photochemical

c.

catalytic

d.

autocatalytic

Discuss
Answer: (d).autocatalytic
Q159.
A typical example of an exothermic reversible reaction conducted at high pressure in industry is

a.

dehydration of ethanol.

b.

methanol synthesis.

c.

reformation of methane.

d.

polymerisation of ethylene.

Discuss
Answer: (a).dehydration of ethanol.
Q160.
Study of chemical kinetics is the easiest in the case of __________ reactions.

a.

irreversible

b.

reversible

c.

surface

d.

side

Discuss
Answer: (a).irreversible
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