Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does AAR stand for?
💡 Hint: Think about the relationships between elements in concrete.
Question 2
Easy
Name one preventive measure for AAR.
💡 Hint: Consider what can help reduce alkali content in concrete.
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 is the primary cause of Alkali-Aggregate Reaction (AAR)?
- Presence of carbonates
- Reactive silica and alkalis
- Low water content
💡 Hint: Remember what materials contribute to AAR.
Question 2
True or False: Alkali-Carbonate Reaction (ACR) is the most common form of AAR.
- True
- False
💡 Hint: Think about the terminology we discussed.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Consider a concrete structure that is exhibiting cracks. Propose a method for determining if these cracks are due to AAR. Discuss the steps you would take.
💡 Hint: Think testing materials and assessing environmental conditions.
Question 2
If you are tasked with designing concrete for a new building in a region known for high alkali levels in its water supply, what steps would you take to mitigate AAR? Provide at least three strategies.
💡 Hint: Remember the preventive measures discussed during class.
Challenge and get performance evaluation