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 22 of 50

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Q211.
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
Q212.
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
Q213.
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.
Q214.
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
Q215.
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
Q216.
Design of heterogeous catalytic reactor involves consideration of __________ steps.

a.

only chemical

b.

only physical

c.

both (a) & (b)

d.

neither (a) nor (b)

Discuss
Answer: (c).both (a) & (b)
Q217.
What is the unit of the rate constant in a chemical reaction in which 10% of the reactant decomposes in one hour, 20% in two hours, 30% in three hours and so on ?

a.

Litre/mole.second

b.

Moles/litre.second

c.

Litre/mole

d.

Litre/second

Discuss
Answer: (a).Litre/mole.second
Q218.
For a fluidised bed reactor, the most suitable/relevant model is a __________ model.

a.

tank in series

b.

bubbling bed

c.

plug flow

d.

none of these

Discuss
Answer: (b).bubbling bed
Q219.
In a reaction, the threshold energy is equal to (where, A = activation energy N = normal energy of reactants)

a.

A

b.

N

c.

A+N

d.

A-N

Discuss
Answer: (c).A+N
Q220.
Thermodynamic equilibrium constant in a system is affected by

a.

inerts

b.

pressure

c.

temperature

d.

all (a), (b) & (c)

Discuss
Answer: (c).temperature
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