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 21 of 50

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Q201.
During manufacture of Hโ‚‚SOโ‚„, the oxidation of SOโ‚‚ to SOโ‚ƒ by oxygen is an en-dothermic reaction. The yield of SOโ‚ƒ will be maximised, if the

a.

temperature is increased.

b.

pressure is reduced.

c.

temperature is increased and pressure is reduced.

d.

temperature is reduced and pressure is increased.

Discuss
Answer: (d).temperature is reduced and pressure is increased.
Q202.
The role of a catalyst in a chemical reaction is to change the

a.

equilibrium constant

b.

activation energy

c.

final products

d.

heat of reaction

Discuss
Answer: (b).activation energy
Q203.
The vessel dispersion number (D/ฮผL) for plug flow is

a.

0

b.

500

c.

750

d.

โˆž

Discuss
Answer: (a).0
Q204.
Molecularity of a reaction

a.

is always equal to the overall order of reaction.

b.

may not be equal to the order of reaction.

c.

can't have a fractional value.

d.

both (b) and (c).

Discuss
Answer: (d).both (b) and (c).
Q205.
BET apparatus is used to determine the

a.

specific surface of a porous catalyst.

b.

pore size distribution.

c.

pore diameter.

d.

porosity of the catalyst bed.

Discuss
Answer: (a).specific surface of a porous catalyst.
Q206.
A balanced chemical reaction equation conforms to the law of

a.

conservation of mass

b.

Avagadro's hypothesis

c.

gaseous volumes

d.

none of these

Discuss
Answer: (a).conservation of mass
Q207.
An exothermic reaction takes place in an adiabatic reactor. The product temperature __________ reactor feed temperature.

a.

is always equal to

b.

is always greater than

c.

is always less than

d.

may be greater or less than

Discuss
Answer: (b).is always greater than
Q208.
Reverse reaction in a chemical equilibrium is favoured by the

a.

removal of one of the products regularly.

b.

increase in the concentration of oneof the products.

c.

increase in the concentration of one of the reactants.

d.

none of these.

Discuss
Answer: (b).increase in the concentration of oneof the products.
Q209.
Sum of the powers of the concentration terms in the rate equation is called the __________ of the reaction.

a.

order

b.

overall order

c.

molecularity

d.

none of these

Discuss
Answer: (b).overall order
Q210.
An isothermal aqueous phase reversible reaction, P โ†” R, is to be carried out in a mixed flow reactor. The reaction rate in k.mole/m³ .h is given by, r = 0.5Cโ‚š - 0.125Cส€. A stream containing only P enters the reactor. The residence time required (in hours) for 40% conversion of P is

a.

0.80

b.

1.33

c.

1.60

d.

2.67

Discuss
Answer: (c).1.60
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