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 fly ash?
💡 Hint: Think about its source.
Question 2
Easy
What range of substitution is recommended for fly ash?
💡 Hint: Recall the impact on mix properties.
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 benefit of using fly ash in concrete?
💡 Hint: Think about how it helps with mixing.
Question 2
The typical range for substituting fly ash in concrete is...
💡 Hint: Consider how much of cement can be replaced.
Solve 1 more question and get performance evaluation
Push your limits with challenges.
Question 1
Calculate the necessary fly ash amount if you have a 500 kg cement requirement and want to replace 20% with fly ash.
💡 Hint: Remember to compute percentages!
Question 2
Discuss the implications of using too much fly ash in a concrete mix. What properties could be negatively affected?
💡 Hint: Think about the balance needed in mix design.
Challenge and get performance evaluation