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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the minimum compaction percentage for subgrade preparation?
💡 Hint: It’s a percentage related to soil compaction.
Question 2
Easy
What material is often used for sub-bases?
💡 Hint: Think about stable materials that can handle loads.
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 required compaction level for subgrade?
- 85%
- 90%
- 95%
💡 Hint: It’s a percentage, make sure it’s high enough!
Question 2
True or False: The sub-base can be made from organic materials.
- True
- False
💡 Hint: Think about the stability of the materials.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a scenario where pavement has multiple cracks developing after a year, analyze the potential issues with the subgrade preparation and suggest corrective actions.
💡 Hint: Look at the factors contributing to soil stability.
Question 2
If the sub-base depth is reduced from the standard 150 mm to 80 mm, describe the effects this might have on pavement performance in heavy traffic areas.
💡 Hint: Think about how the thickness affects weight support.
Challenge and get performance evaluation