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 is an acid attack?
💡 Hint: Think about how acids interact with concrete.
Question 2
Easy
Name one symptom of an acid attack.
💡 Hint: How does the concrete's appearance change?
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 main component of concrete that reacts with acids?
- Silica
- Calcium Hydroxide
- Sand
💡 Hint: Think about which material is present in large amounts in concrete.
Question 2
True or False: Silica fume enhances the acid resistance of concrete.
- True
- False
💡 Hint: Consider the role of additives in concrete performance.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Consider a concrete structure exposed to both acidic and wet conditions. What architectural features would you recommend to enhance its durability?
💡 Hint: Think about layers of defense against acid.
Question 2
A concrete bridge shows signs of acid attack. How would you assess the level of damage and recommend repairs?
💡 Hint: Assessing the surface isn't enough; you might need deeper checks.
Challenge and get performance evaluation