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Mastering Corrosion Engineering

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Questions and Answers

Which of the following best describes corrosion?

The process of refining a metal into a chemically stable form

The process of converting a metal into a more stable oxide (correct)

The process of deteriorating materials by physical reaction

The process of preventing oxidation in metals

What is the most common cause of corrosion in metals?

Hydrogen

Oxygen (correct)

Nitrogen

Carbon dioxide

Which of the following is an example of electrochemical corrosion?

Evaporation

Rusting (correct)

Melting

Freezing

Does corrosion only occur in metals?

No, it can also occur in ceramics and polymers Signup and view all the answers

What are some of the effects of corrosion on materials and structures?

Deterioration of mechanical strength, appearance, and permeability Signup and view all the answers

Which type of cathodic protection uses a sacrificial anode?

Galvanic cathodic protection Signup and view all the answers

What is the purpose of cathodic protection?

To prevent corrosion on metallic surfaces Signup and view all the answers

What is the difference between galvanic and impressed current cathodic protection?

Galvanic cathodic protection uses a sacrificial anode, while impressed current cathodic protection uses an external power source Signup and view all the answers

Mastering Corrosion Engineering

Choose a study mode

Podcast

Questions and Answers

Which of the following best describes corrosion?

What is the most common cause of corrosion in metals?

Which of the following is an example of electrochemical corrosion?

Does corrosion only occur in metals?

What are some of the effects of corrosion on materials and structures?

Which type of cathodic protection uses a sacrificial anode?

What is the purpose of cathodic protection?

What is the difference between galvanic and impressed current cathodic protection?

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