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 chemical formula of gypsum?
💡 Hint: Think about the elements - calcium, sulfur, and oxygen.
Question 2
Easy
What is the typical percentage range of gypsum added to cement?
💡 Hint: It's a small percentage of the total weight.
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 role does gypsum play in cement?
- Accelerates hydration
- Retards hydration
- No role
💡 Hint: Consider what happens without it.
Question 2
True or False: Gypsum is added to increase the initial setting time of cement.
- True
- False
💡 Hint: Think about the impact of hydration control.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Consider a scenario where a construction team forgot to add gypsum to their cement mix. What could happen during the setting process?
💡 Hint: Think about how rapid hydration affects the context of construction.
Question 2
Analyze how varying environmental temperatures could impact the effectiveness of gypsum in managing setting time.
💡 Hint: Consider if extreme weather could create challenges on-site.
Challenge and get performance evaluation