Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
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.
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is grading in terms of aggregates?
💡 Hint: Think about how different sizes affect concrete.
Question 2
Easy
Name the two main categories of aggregates.
💡 Hint: Consider their size relative to the 4.75 mm sieve.
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the primary goal of aggregate grading?
💡 Hint: Think about how packing affects concrete quality.
Question 2
True or False: Coarse aggregates are those that pass through a 4.75 mm sieve.
💡 Hint: Recall the definitions based on sieve sizes.
Solve 2 more questions and get performance evaluation
Push your limits with challenges.
Question 1
A concrete mix design is planned using aggregates classified as Zone III. Discuss the expected properties and challenges of using these aggregates compared to those from Zone I.
💡 Hint: Consider how the void content and aggregate size affect the concrete's water requirement.
Question 2
Calculate the grading of an aggregate blend using 60% fine aggregates (Zone II) and 40% coarse aggregates (Zone I). Discuss how this blend may perform in terms of workability and strength.
💡 Hint: Focus on how the proportion of sizes impacts concrete performance.
Challenge and get performance evaluation