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 does the grade of concrete indicate?
💡 Hint: Think about how we classify concrete strength.
Question 2
Easy
What is workability in concrete?
💡 Hint: Notice how this affects construction processes.
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 does the grade 'M25' indicate?
- 25 MPa strength
- 20 MPa strength
- 30 MPa strength
💡 Hint: Focus on the meaning of the grade designation.
Question 2
True or False: The type of cement used can affect the durability of concrete.
- True
- False
💡 Hint: Consider how different materials perform.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a project with a moderate exposure condition requiring M30 grade concrete, list the considerations for selecting materials.
💡 Hint: Reflect on the link between exposure and material properties.
Question 2
Design a mix for M25 grade concrete using the parameters of 20 mm maximum aggregate size and low workability. What changes would you make?
💡 Hint: Think about the balance of materials for optimal performance.
Challenge and get performance evaluation