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!

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Materials and Mineral Acids MCQs | Page 1 of 10

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Q1.
Which of the following properties of metal is often required to consider by corrosion engineer?

a.

Physical properties

b.

Mechanical properties

c.

Chemical properties

d.

Physical, mechanical and chemical properties

Discuss
Answer: (d).Physical, mechanical and chemical properties
Q2.
Which of the following is not a mechanical property of a metal?

a.

Impact strength

b.

Creep strength

c.

Modulus of elasticity

d.

Stress-rupture

Discuss
Answer: (c).Modulus of elasticity
Q3.
Which of the following is/are the types of cast irons?

a.

Gray cast iron

b.

Malleable cast iron

c.

Nodular cast iron

d.

Gray cast iron, malleable cast iron, and nodular cast iron

Discuss
Answer: (d).Gray cast iron, malleable cast iron, and nodular cast iron
Q4.
What is the composition of high-silicon cast iron named Durichlor that has the highest corrosion resistance among cast irons?

a.

14% silicon, 0.95% carbon and 3% molybdenum

b.

10% silicon, 1% carbon and 3% molybdenum

c.

14% silicon and 0.95% carbon

d.

10% silicon and 1% carbon

Discuss
Answer: (a).14% silicon, 0.95% carbon and 3% molybdenum
Q5.
The excellent corrosion resistance of high-silicon irons is due to the formation of a passive SiO₂ surface layer.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q6.
Which of the following metal is/are regarded as pure iron commercially?

a.

Ingot iron

b.

Armco iron

c.

Wrought iron

d.

Ingot and Armco iron

Discuss
Answer: (d).Ingot and Armco iron
Q7.
Which of the following are the parameters of the iron-carbon diagram on the x and y-axis respectively?

a.

Carbon percentage and Iron percentage

b.

Carbon percentage and temperature

c.

Temperature and carbon percentage

d.

Iron percentage and temperature

Discuss
Answer: (b).Carbon percentage and temperature
Q8.
Which of the following is/are the classification types of stainless steel?

a.

Martensitic stainless steels

b.

Ferritic stainless steels

c.

Austenitic stainless steels

d.

Martensitic, ferritic and austenitic stainless steels

Discuss
Answer: (d).Martensitic, ferritic and austenitic stainless steels
Q9.
Which of the following statements are correct regarding the austenite phase in an iron-carbon phase diagram?

a.

It is non-magnetic in nature

b.

The maximum percentage of carbon is 2.1%

c.

It has a face-centered cubic structure

d.

The austenitic phase has a face-centered cubic structure with a 2.1% maximum percent carbon and non-magnetic in nature

Discuss
Answer: (d).The austenitic phase has a face-centered cubic structure with a 2.1% maximum percent carbon and non-magnetic in nature
Q10.
Which of the following properties of aluminum contributing to its widespread applications?

a.

High corrosive resistance

b.

Good strength-weight ratio

c.

Nontoxic corrosion products

d.

High corrosive resistance, good strength-weight ratio, and nontoxic corrosion products

Discuss
Answer: (d).High corrosive resistance, good strength-weight ratio, and nontoxic corrosion products
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