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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is an admixture?
💡 Hint: Think about what we change in the concrete.
Question 2
Easy
Name one type of admixture that improves workability.
💡 Hint: It has 'plastic' in its name.
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 primary purpose of a plasticizer?
- A. Increase water content
- B. Improve workability
- C. Speed up curing
💡 Hint: Think of what plasticizers do.
Question 2
True or False: Retarders are used to speed up the setting of concrete.
- True
- False
💡 Hint: Consider if they make setting faster or slower.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You are advising a contractor on a concrete mix for a large outdoor project in a hot climate. What admixtures would you recommend? Justify your choices.
💡 Hint: Consider the impacts of heat on setting and how admixtures can counteract that.
Question 2
A construction project is facing delays due to cold weather. What specific admixture could aid in accelerating concrete strength and why is it important?
💡 Hint: Think about why quick setting could benefit a construction timeline during winter.
Challenge and get performance evaluation