Eight Forms of Corrosion MCQs

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

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Eight Forms of Corrosion MCQs | Page 8 of 19

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Q71.
Which of the following ions, that can reduce pitting corrosion?
Discuss
Answer: (d).Hydroxide, chromate and silicate salts
Q72.
Which of the following corrosion test is most reliable to know the extent of pitting corrosion?
Discuss
Answer: (b).To measure the maximum depth of a pit
Q73.
Which of the following is/are more reactive in intergranular corrosion?
Discuss
Answer: (b).Grain boundary
Discuss
Answer: (d).Localized attack at and adjacent to the grain boundaries
Discuss
Answer: (d).Impurities at the grain boundaries, enrichment, and depletion of one of the alloying elements at the grain boundary
Q76.
Which of the following alloys is/are prone to intergranular corrosion?
Discuss
Answer: (d).Iron in aluminum, zinc in brass and 18-8 stainless steel
Q77.
Numerous failures of 18-8 Stainless steel have occurred in the temperature range of 950 to 1450°F.
Discuss
Answer: (a).True
Q78.
What is the molecular formula of chromium carbide formed due to the depletion of chromium in 18-8 stainless steel?
Discuss
Answer: (d).Crโ‚‚โ‚ƒCโ‚†
Q79.
Which of the following areas is/are corroded in the intergranular corrosion of stainless steel?
Discuss
Answer: (c).Chromium depleted zone near the grain boundary
Q80.
What is the minimum percent of chromium is needed to make stainless steel?
Discuss
Answer: (d).11%