Understanding Corrosion Quiz

What is corrosion?

• The process of heating metals to high temperatures

• The formation of new materials through chemical reactions

• The growth of plants in a controlled environment

• The degradation of materials caused by reactions with their environment

Tags

NGSS.HS-ESS2-5

NGSS.HS-PS1-5

Which type of corrosion targets specific areas leading to pitting or cracking?

• Localized corrosion

• Intergranular corrosion

• General corrosion

• Crevice corrosion

What causes galvanic corrosion?

• Two dissimilar metals coming into contact in an electrolyte

• The degradation of materials by acids

• Two similar metals coming into contact

• The reduction of oxygen in water

How can corrosion be prevented?

• Using unprotected materials

• Regular monitoring and inspection

• Increasing exposure to environmental factors

• Avoiding design modifications

Tags

NGSS.HS-ESS3-4

What are the economic implications of corrosion?

• Reduced safety risks

• No impact on infrastructure

• Increased profits for businesses

• Significant financial losses in industries

Tags

NGSS.HS-ETS1-3

What can corrosion cause in concrete structures?

• Increased durability

• Steel reinforcements to fail

• Decreased corrosion rates

• Improved structural integrity

What is a method to detect and measure corrosion rates in concrete structures?

• Visual inspection

• Thermal imaging

• Ultrasonic testing

• X-ray vision

Tags

NGSS.HS-PS4-5

What are the environmental implications of corrosion?

• No impact on the environment

• Contaminating water and soil

• Reducing pollution levels

• Improving water quality

Tags

NGSS.HS-ESS2-5

NGSS.HS-LS2-6

What is the primary cause of galvanic corrosion?

• Two dissimilar metals coming into contact in an electrolyte

• The degradation of materials by acids

• Two similar metals coming into contact

• The reduction of oxygen in water

How does crevice corrosion differ from general corrosion?

• Crevice corrosion occurs in specific areas while general corrosion affects the entire surface

• General corrosion is caused by dissimilar metals while crevice corrosion is caused by similar metals

• Crevice corrosion is more severe than general corrosion

• General corrosion is easier to detect than crevice corrosion