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 are admixtures in concrete?
💡 Hint: Think about what additives do to a mixture.
Question 2
Easy
Name one type of admixture.
💡 Hint: Consider which admixture enhances workability first.
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 purpose of admixtures in concrete?
💡 Hint: Think about what additives are for in mixtures.
Question 2
True or False: Superplasticizers decrease workability in concrete.
💡 Hint: Consider how superplasticizers function within a mix.
Solve 1 more question and get performance evaluation
Push your limits with challenges.
Question 1
You are designing a mix for a high-performance concrete structure. Which admixture would you choose and why? Consider environmental factors in your decision.
💡 Hint: Focus on the properties required for high-performance applications.
Question 2
A contractor reported issues with achieving required workability despite high water content. Suggest potential remedies using admixtures.
💡 Hint: Consider the benefits of reducing water content relative to workability.
Challenge and get performance evaluation