Modern Theory Principles and Applications MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Modern Theory Principles and Applications, a fundamental topic in the field of Corrosion Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Modern Theory Principles and Applications 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 Modern Theory Principles and Applications mcq questions that explore various aspects of Modern Theory Principles and Applications problems. Each MCQ is crafted to challenge your understanding of Modern Theory Principles and Applications principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Corrosion Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Modern Theory Principles and Applications MCQs are your pathway to success in mastering this essential Corrosion Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Modern Theory Principles and Applications. 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 Modern Theory Principles and Applications knowledge to the test? Let's get started with our carefully curated MCQs!

Modern Theory Principles and Applications MCQs | Page 7 of 9

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Q61.
What is the Nernst equation for chemical reaction nA + mB ==> pC + qD at temperature T?

a.

a

b.

b

c.

c

d.

d

Discuss
Answer: (a).a
Q62.
Which of the following type of reaction is shown in the given figure?

a.

Non-spontaneous reaction

b.

Equilibrium reaction

c.

Neither spontaneous nor non-spontaneous reaction

d.

Spontaneous reaction

Discuss
Answer: (d).Spontaneous reaction
Q63.
What is depicted in the given figure?

a.

Phase diagram of the Fe-C system

b.

Pourbaix diagram for Fe-O₂ system

c.

Pourbaix diagram for Fe-H₂O system

d.

Colling curve pure iron

Discuss
Answer: (c).Pourbaix diagram for Fe-H₂O system
Q64.
Which of the following zone of given Pourbaix diagram indicates the immune zone?

a.

Zone 1

b.

Zone 2

c.

Zone 3

d.

Zone 4

Discuss
Answer: (a).Zone 1
Q65.
Which of the following zone(s) of given Pourbaix diagrams indicate a passive zone?

a.

Zone 1 and 2

b.

Zone 2 and 3

c.

Zone 2, 3 and 6

d.

Zone 4 and 5

Discuss
Answer: (d).Zone 4 and 5
Q66.
Which of the following metal shows the highest exchange current density for hydrogen-hydrogen ion as per given figure?

a.

Mercury

b.

Iron

c.

Platinized platinum

d.

Platinum

Discuss
Answer: (c).Platinized platinum
Q67.
What is depicted in the given figure?

a.

Concentration polarization of hydrogen-hydrogen ion

b.

Resistance polarization of hydrogen-hydrogen ion

c.

Activation polarization of hydrogen-hydrogen ion

d.

Both activation and concentration polarization of hydrogen-hydrogen ion

Discuss
Answer: (c).Activation polarization of hydrogen-hydrogen ion
Q68.
What is depicted in the given figure?

a.

Activation polarization

b.

Concentration polarization

c.

Resistance polarization

d.

Activation and concentration polarization

Discuss
Answer: (b).Concentration polarization
Q69.
Which of the following is/are correct regarding the given figure?

a.

Velocity, temperature, and concentration are the factors that influence limiting current density

b.

Limiting current density decreases with an increase in velocity, temperature, and concentration

c.

Limiting current density increase with the increase in velocity, temperature, and concentration

d.

Velocity, temperature, and concentration are the factors that influence limiting current density and it increases as it increases

Discuss
Answer: (d).Velocity, temperature, and concentration are the factors that influence limiting current density and it increases as it increases
Q70.
Which of the following type(s) of polarization is depicted in the given figure?

a.

Activation polarization

b.

Concentration polarization

c.

Activation and concentration polarization

d.

Resistance polarization

Discuss
Answer: (c).Activation and concentration polarization
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