Materials and Mineral Acids MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Materials and Mineral Acids, 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 Materials and Mineral Acids 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 Materials and Mineral Acids mcq questions that explore various aspects of Materials and Mineral Acids problems. Each MCQ is crafted to challenge your understanding of Materials and Mineral Acids 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 Materials and Mineral Acids 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 Materials and Mineral Acids. 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 Materials and Mineral Acids knowledge to the test? Let's get started with our carefully curated MCQs!

Materials and Mineral Acids MCQs | Page 9 of 10

Q81.
Which of the following metals will have a high influence on aeration and oxidizing agents in hydrochloric acid?
Discuss
Answer: (c).Nickel-molybdenum alloys, copper, nickel and their alloys
Q82.
Which of the following impurity in hydrochloric acid results in pitting corrosion?
Discuss
Answer: (b).Ferric chloride
Q83.
Which of the following material is/are primarily used for hydrofluoric acid?
Discuss
Answer: (b).Magnesium
Q84.
Hydrofluoric acid and fluorine are toxic and extreme care are mandatory in the handling of these materials.
Discuss
Answer: (a).True
Q85.
Which of the following metal is suitable in handling high concentrations (>60%) of hydrofluoric acid?
Discuss
Answer: (c).Steel
Q86.
Which of the following is/are the impurities in commercial hydrofluoric acid that decreases corrosion of steel?
Discuss
Answer: (d).Both sulfuric acid and fluosilicic acid
Q87.
Which of the following metal is an outstanding material that resists all concentrations of hydrofluoric acid at all temperatures?
Discuss
Answer: (a).Wrought Monel
Q88.
Why straight chromium stainless steels and austenitic stainless steels are not recommended for hydrofluoric acid applications?
Discuss
Answer: (c).Due to susceptibility to pitting
Q89.
Which of the following materials is/are widely used for phosphoric acid?
Discuss
Answer: (d).Both 316 stainless steel and Durimet 20
Discuss
Answer: (b).Aluminum, brass, steel, cast iron, ferritic and martensitic stainless steels
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