Podcast
Questions and Answers
Which metal coating method involves the application of a more reactive metal to protect the base metal from corrosion?
Which metal coating method involves the application of a more reactive metal to protect the base metal from corrosion?
- Anodic metal coating (Galvanization)
- Cathodic metal coating (Tinning)
- Sacrificial anodic protection method (correct)
- Impressed current cathodic protection
What is the most common compound formed during the corrosion of iron?
What is the most common compound formed during the corrosion of iron?
- Fe2O3.xH2O (correct)
- Hydroxide
- Carbonates
- Sulphide
Which factor primarily influences the corrosion of metals?
Which factor primarily influences the corrosion of metals?
- Metal purity
- Metal reactivity (correct)
- Metal conductivity
- Metal density
Which method of corrosion prevention involves the use of an external power source to provide cathodic protection to the metal?
Which method of corrosion prevention involves the use of an external power source to provide cathodic protection to the metal?
What type of corrosion occurs at the interface between two surfaces in close contact with each other?
What type of corrosion occurs at the interface between two surfaces in close contact with each other?
Which method of corrosion prevention involves applying a more reactive metal to protect the base metal?
Which method of corrosion prevention involves applying a more reactive metal to protect the base metal?
What is the most common form of corrosion?
What is the most common form of corrosion?
What factor primarily influences the corrosion of metals?
What factor primarily influences the corrosion of metals?
Which type of corrosion occurs at the interface between two surfaces in close contact with each other?
Which type of corrosion occurs at the interface between two surfaces in close contact with each other?
What is the process of slowly deteriorating metal due to the attack of atmospheric gases on the surface of the metal?
What is the process of slowly deteriorating metal due to the attack of atmospheric gases on the surface of the metal?
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Study Notes
Corrosion Protection Methods
- Galvanization is a metal coating method that involves the application of a more reactive metal to protect the base metal from corrosion.
- Cathodic protection is a method of corrosion prevention that involves the use of an external power source to provide cathodic protection to the metal.
Types of Corrosion
- Fretting corrosion occurs at the interface between two surfaces in close contact with each other.
- The most common form of corrosion is uniform corrosion.
Corrosion Factors
- The factor that primarily influences the corrosion of metals is moisture.
Corrosion Processes
- Corrosion is the process of slowly deteriorating metal due to the attack of atmospheric gases on the surface of the metal.
- Rust is the most common compound formed during the corrosion of iron.
Other Methods
- Sacrificial protection is a method of corrosion prevention that involves applying a more reactive metal to protect the base metal.
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Description
Test your knowledge of corrosion with this quiz covering topics such as the factors affecting corrosion, electrochemical theory, crevice corrosion, pitting corrosion, waterline corrosion, and corrosion prevention methods including metal coating, sacrificial anodic protection, impressed current cathodic protection, and electroplating.
