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 are coarse aggregates?
💡 Hint: Think about the sizes of particles in concrete.
Question 2
Easy
Name one type of natural coarse aggregate.
💡 Hint: What do rivers usually carry?
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 defines coarse aggregates in concrete?
- Larger than 4.75 mm
- Smaller than 4.75 mm
- Same as fine aggregates
💡 Hint: Think about their size relative to fine aggregates.
Question 2
True or False: Natural aggregates can only be obtained from gravel pits.
- True
- False
💡 Hint: Think about the diversity of natural sources.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
How would you select a coarse aggregate for a coastal building project where saltwater exposure is a concern?
💡 Hint: Think about environmental exposure and material properties.
Question 2
Design a concrete mix using both natural and manufactured aggregates for a lightweight structure. Justify your choices based on properties.
💡 Hint: Consider the trade-offs between weight and strength.
Challenge and get performance evaluation