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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does the Flakiness Index measure?
💡 Hint: Think about how thickness is categorized.
Question 2
Easy
What does the Elongation Index evaluate?
💡 Hint: Consider the relationship of length compared to the mean sieve size.
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 purpose of the Flakiness Index?
- To measure density
- To measure flaky particles
- To evaluate toughness
💡 Hint: Think about what flakiness refers to.
Question 2
True or False: A combined index of 40% is acceptable for bituminous mixes.
- True
- False
💡 Hint: Recall the acceptable limits we discussed.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You have an aggregate sample with a Flakiness Index of 18% and an Elongation Index of 25%. Is the combined index acceptable for use in a pavement mix? Show calculations.
💡 Hint: Add both indices to check against the requirement.
Question 2
If a construction project requires aggregates with specific indices, how would you adjust a sample with 60% flaky particles to meet the 35% combined index requirement?
💡 Hint: Consider how you would compose a new mix.
Challenge and get performance evaluation