Corrosion Principles MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Corrosion Principles, 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 Corrosion Principles 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 Corrosion Principles mcq questions that explore various aspects of Corrosion Principles problems. Each MCQ is crafted to challenge your understanding of Corrosion Principles 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 Corrosion Principles MCQs are your pathway to success in mastering this essential Corrosion Engineering topic.

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Corrosion Principles MCQs | Page 12 of 12

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Q111.
Which of the following reaction is depicted by curve A in the given figure?

a.

Fe in dilute HCl

b.

Pb in dilute H₂SO₄

c.

18Cr–8Ni in H₂SO₄

d.

18Cr–8Ni in H₂SO₄ + Fe⁺³

Discuss
Answer: (d).18Cr–8Ni in H₂SO₄ + Fe⁺³
Q112.
What is the corrosion rate behavior of curve A with the increase in temperature, described in the given figure?

a.

Constant

b.

Exponential increase

c.

Exponential decreases

d.

Slightly decreases

Discuss
Answer: (b).Exponential increase
Q113.
What is the corrosion rate behavior of curve B with the increase in temperature, described in the given figure?

a.

Exponential increase

b.

Exponential decrease

c.

Constant up to high temperatures

d.

Slightly decreases

Discuss
Answer: (c).Constant up to high temperatures
Q114.
What is the corrosion rate behavior of curve B with the increase in corrosive concentration, described in the given figure?

a.

Exponential increases

b.

Exponential decreases

c.

Constant

d.

First increases and then decreases

Discuss
Answer: (d).First increases and then decreases
Q115.
What is the corrosion rate behavior of curve A with the increase in corrosive concentration, described in the given figure?

a.

Almost constant

b.

Exponential increase

c.

Exponential decrease

d.

First increases and then decreases

Discuss
Answer: (a).Almost constant
Q116.
Which of the following type of corrosion is depicted in the given figure?

a.

Uniform corrosion

b.

Erosion corrosion

c.

Galvanic corrosion

d.

Crevice corrosion

Discuss
Answer: (c).Galvanic corrosion
Q117.
Which of the following effect is described in the given figure?

a.

Crevice

b.

Pitting

c.

Beneficial galvanic effect

d.

Erosion

Discuss
Answer: (c).Beneficial galvanic effect
Q118.
Which of the following crystal structure is depicted in the given figure?

a.

Face centered cubic structure

b.

Hexagonal close packed structure

c.

Body-centered cubic structure

d.

Simple cubic structure

Discuss
Answer: (c).Body-centered cubic structure
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