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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the typical replacement level for Fly Ash in concrete?
💡 Hint: Think about the function of Fly Ash in terms of its benefits.
Question 2
Easy
What does w/cm stand for in concrete mix design?
💡 Hint: Consider how water relates to cement content.
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 typical replacement level for Silica Fume in concrete?
- 5–10%
- 15–20%
- 20–25%
💡 Hint: Consider why we use it at such a low level.
Question 2
True or False: Longer curing duration limits the effectiveness of the pozzolanic reactions when using mineral admixtures.
- True
- False
💡 Hint: Remember the role of curing in concrete strength.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a concrete mix with 1000 kg of cement, calculate how much Fly Ash would be needed if it replaces 30%. Additionally, explain the benefits of this replacement.
💡 Hint: What is 30% of 1000 kg?
Question 2
If a project specifies a concrete with a low w/cm ratio of 0.30 but you add GGBS, what adjustments might you need to consider throughout the mixing process?
💡 Hint: Think about how low water affects the mix.
Challenge and get performance evaluation