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 components involved in cement.
Question 2
Easy
Name one type of silica that can react in AAR.
💡 Hint: Consider what is commonly found in aggregates.
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 stand for?
- Aggregate-Activation Reaction
- Alkali-Aggregate Reaction
- Alkaline-Activated Reaction
💡 Hint: Consider the chemistry involved in cement.
Question 2
True or False: AAR only occurs in high-temperature environments.
- True
- False
💡 Hint: Think about where moisture can be found.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A construction project is underway using high-alkali cements and aggregates that have not been tested for reactivity. Discuss the potential long-term consequences.
💡 Hint: Think about the damage AAR could cause over decades.
Question 2
Quantify the economic impact of using low-alkali cement versus traditional cement in a large construction project where AAR is a concern.
💡 Hint: Consider both upfront and long-term costs.
Challenge and get performance evaluation