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.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Corrosion Principles. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

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Corrosion Principles MCQs | Page 7 of 12

Discuss
Answer: (d).Region formed after passive state by breakage of the passive oxide layer
Q62.
Which of the following is denoted as // in an electrochemical cell notation?
Discuss
Answer: (d).Salt bridge
Q63.
Which of the following gives Standard cell potential of a cell (E⁰)?
Discuss
Answer: (a).E⁰cathode-E⁰anode
Discuss
Answer: (b).Ecell=E⁰cell–RT/nF ln(K)
Q65.
Zn/Zn⁺²(0.1M)//Ag⁺¹(1M)/Ag is the cell notation of zinc dissolution in silver. Then what is the Electrode potential of the cell formed? (T=298K, F=96500, R=8.314 J/Kg*K)
Discuss
Answer: (a).1.57
Q66.
Passivity is achieved only if a sufficient quantity of oxidizer is added to the medium.
Discuss
Answer: (a).True
Q67.
Which of the following metal-acid combination will shift metal from active to passive state with an increase in oxidizer concentration?
Discuss
Answer: (b).18Cr-8Ni in H₂SO₄ + Fe⁺³
Q68.
What is the nature of copper corrosion in oxygenated sulfuric acid?
Discuss
Answer: (a).Active region
Q69.
The corrosion rate depends on both the medium and the metal involved.
Discuss
Answer: (a).True
Q70.
What is the other name of concentration polarization?
Discuss
Answer: (b).Cathodic diffusion control