Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
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.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the main purpose of an admixture?
💡 Hint: Think about why additives are used in mixtures.
Question 2
Easy
Name one type of admixture.
💡 Hint: Look at the roles each plays.
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 function of superplasticizers in concrete?
- To delay setting time
- To increase workability and strength
- To reduce water requirement
- To introduce air bubbles
💡 Hint: Think about how they differ from regular plasticizers.
Question 2
True or False: Retarders are used to speed up the setting time of concrete.
- True
- False
💡 Hint: Remember the effects of temperature on concrete setting.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Considering a construction project in a very humid environment, which admixtures would be prioritized for ensuring optimal performance and why?
💡 Hint: Reflect on the properties of concrete under varying humidity.
Question 2
Explain how the use of silica fume would be advantageous in a project requiring high early strength concrete.
💡 Hint: Think about how particle size and material characteristics contribute to performance.
Challenge and get performance evaluation