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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does AAR stand for?
💡 Hint: It involves a reaction between alkali and aggregates.
Question 2
Easy
Can all aggregates react with alkalis?
💡 Hint: Think about the types of silica.
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 does AAR refer to?
- Alkali-Aggravated Reactivity
- Alkali-Aggregate Reactivity
- Alkaline Aggregate Reaction
💡 Hint: Focus on the terms related to alkalis and aggregates.
Question 2
True or False: All aggregates react with alkalis in concrete.
- True
- False
💡 Hint: Consider which minerals are likely to react.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Consider a concrete structure built using reactive aggregates and ordinary cement. Describe the timeline of events that might occur due to AAR. Include potential failure modes and how you would prevent them.
💡 Hint: Think about the factors of time, moisture, and chemical reactivity.
Question 2
Analyze the long-term effects of not controlling moisture in a concrete structure built with reactive aggregates. What engineering solutions could reverse damage once cracks form?
💡 Hint: Consider both short-term and long-term implications of moisture not being managed.
Challenge and get performance evaluation