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 35 of 50

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Q341.
Organic catalysts differ from the inorganic catalyst in the sense that the former is

a.

active at cryogenic temperatures only.

b.

prohibitively costly.

c.

proteinous in nature.

d.

active at very high temperature only.

Discuss
Answer: (c).proteinous in nature.
Q342.
An endothermic aqueous phase first order irreversible reaction is carried out in an adiabatic plug flow reactor. The rate of reaction

a.

is maximum at the inlet of the reactor.

b.

goes through a maximum along the length of the reactor.

c.

goes through a minimum along the length of the reactor.

d.

is maximum at the exit of the reactor.

Discuss
Answer: (a).is maximum at the inlet of the reactor.
Q343.
Pick out the wrong statement.

a.

Exit age description function (E) and internal age distribution function (I) are related as, E = - dI/dฮธ.

b.

Chmisorption studies are useful in the determination of catalyst surface area and pore size distribution.

c.

A higher temperature favours the reaction of higher activation energy.

d.

A catalyst increases the potential energy barrier over which the reactants must pass to form products.

Discuss
Answer: (d).A catalyst increases the potential energy barrier over which the reactants must pass to form products.
Q344.
For an ideal plug flow reactor, the value of Peclet number is

a.

0

b.

โˆž

c.

1

d.

10

Discuss
Answer: (a).0
Q345.
If the time required for half change is inversely proportional to the square of initial concentration and the velocity depends on the units in which the concentration term is expressed, then the order of reaction is

a.

1

b.

2

c.

3

d.

0

Discuss
Answer: (c).3
Q346.
The experimentally determined overall order of the reaction, A + B โ†’ C + D, is two. Then the

a.

reaction is elementary with a molecularity of 2.

b.

molecularity of the reaction is 2, but the reaction may not be elementary.

c.

reaction may be elementary with molecularity of 2.

d.

reaction is elementary but the molecularity may not be 2.

Discuss
Answer: (a).reaction is elementary with a molecularity of 2.
Q347.
In a continuous flow stirred tank reactor, the composition of the exit stream

a.

is same as that in the reactor.

b.

is different than that in the reactor.

c.

depends upon the flow rate of inlet stream.

d.

none of these.

Discuss
Answer: (a).is same as that in the reactor.
Q348.
Recycling back of outlet stream to the reactor from an ideal CSTR carrying out a first order liquid phase reaction will result in __________ in conversion.

a.

decrease

b.

increase

c.

no change

d.

either (a) or (b), depends on the type of reaction

Discuss
Answer: (c).no change
Q349.
The energy balance equation over a tubular reactor under transient conditions is

a.

an ordinary non-linear differential equation.

b.

an algebric differential equation.

c.

a linear partial differential equation.

d.

a non-linear partial differential equation.

Discuss
Answer: (c).a linear partial differential equation.
Q350.
The ratio of moles of a reactant converted into the desired product to that converted into unwanted product is called

a.

operational yield

b.

relative yield

c.

selectivity

d.

none of these

Discuss
Answer: (c).selectivity
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