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 5 of 9

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Discuss
Answer: (b).Activation polarization
Q42.
Severe corrosion of metals occurred when coupled with platinum is due to the higher current density for hydrogen evolution but not due to the reversible potential of the platinum-platinum ion electrode.
Discuss
Answer: (a).True
Q43.
The reversible potential of gold is more positive than platinum in emf series whereas in galvanic series the position of gold is below platinum.
Discuss
Answer: (b).False
Q44.
In a galvanic couple, the corrosion rate of the metal with active corrosion potential is accelerated whereas the corrosion rate of noble metal retards preferentially.
Discuss
Answer: (a).True
Q45.
Which of the following metals that are spontaneously passivated on coupling with platinum?
Discuss
Answer: (c).Titanium and Chromium
Discuss
Answer: (d).It is a corrosion analysis technique method that allows for controlled polarization and it works on controlling voltage between a working and reference electrode.
Discuss
Answer: (c).Prevention of corrosion by the impressed anodic current is used to transform from active to a passive state
Q48.
The optimum potential for anodic protection is in the mid of passive region since it permits slight variations.
Discuss
Answer: (a).True
Q49.
Which of the following noble metals will improve the corrosion resistance of titanium and chromium on galvanic coupling?
Discuss
Answer: (d).Platinum, palladium, and rhodium
Q50.
Stainless steels containing small quantities of platinum passivates more readily in the presence of oxygen, ferric salts, and other oxidizing agents.
Discuss
Answer: (b).False
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