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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a trial mix?
💡 Hint: Think about why we prepare a batch before the final mix.
Question 2
Easy
Why is flexural strength important?
💡 Hint: Consider what happens when concrete is loaded.
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 first action to take after conducting trial mix tests?
- Adjust the mix
- Document the results
- Prepare another trial
💡 Hint: Think about which step ensures we can replicate success.
Question 2
True or False: Only flexural strength is important in trial mixes.
- True
- False
💡 Hint: Recall the tests we conduct on trial mixes.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A trial mix resulted in a flexural strength of only 3 MPa when the target was 4.5 MPa. Outline the steps you would take to adjust the mix to achieve the desired strength.
💡 Hint: Look at each element of the mix and think about how changing each could impact strength.
Question 2
You have recorded that a batch has too much workability but passes flexural strength tests. How would you adjust the mix to find a balance?
💡 Hint: Identify components that enhance workability and consider their impacts when adjusting.
Challenge and get performance evaluation