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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is carbonation?
💡 Hint: Think about the gas we exhale.
Question 2
Easy
What is a potential consequence of reduced alkalinity in concrete?
💡 Hint: Consider what protects the steel.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What reaction occurs during carbonation?
- CO₂ + Ca(OH)₂ → CaCO₃ + H₂O
- CO₂ + CaCO₃ → Ca(OH)₂ + H₂O
- Ca(OH)₂ + H₂O → CaCO₃ + O₂
💡 Hint: Think about how CO₂ interacts with concrete.
Question 2
True or False: Carbonation increases the pH of concrete.
- True
- False
💡 Hint: Recall how carbonation affects alkalinity.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If a concrete structure has experienced carbonation leading to a pH decline to below 9, what steps might be taken to restore its durability?
💡 Hint: Consider layers of protection and maintenance strategies.
Question 2
Analyze how the interaction between carbonation and moisture affects concrete longevity in coastal areas.
💡 Hint: Think about environmental factors affecting structural health.
Challenge and get performance evaluation