Practice Nature Of Corrosion In Concrete (4.1)

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6 sample questions

Question 1.
What is corrosion?
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Think about what happens to metals in humid environments.
Question 2.
Name one cause of corrosion.
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Consider environmental factors that affect metal.
3Question 3.
What substance lowers the pH of concrete, initiating corrosion?
- Chloride
- Carbon dioxide
- Moisture
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Think about the chemical processes involved in corrosion.
4Question 4.
True or False: Galvanic corrosion occurs between dissimilar metals.
- True
- False
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Consider how the interaction of different metals can impact corrosion.
Question 5.
Design a maintenance plan for a coastal bridge suffering from sulfate attack that also faces moisture and chloride exposure.
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Consider both preventive and restorative actions.
Question 6.
Explain how the principles of electrochemistry contribute to the detection of corrosion in rebar.
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Think about how potential differences relate to corrosion reactions.

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