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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the plasticity index formula?
💡 Hint: Think about how we measure changes between liquid and plastic states.
Question 2
Easy
What is fine-grained soil typically defined by?
💡 Hint: Consider the threshold used for classification.
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 defines fine-grained soil?
- Less than 50% smaller than 0.075 mm
- More than 50% smaller than 0.075 mm
- Exactly 50% smaller than 0.075 mm
💡 Hint: Look back at the definition presented at the beginning of the section.
Question 2
If the liquidity index is less than 0, what does it indicate?
- True
- False
💡 Hint: Recall the classification we discussed earlier.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You have a soil sample with a plastic limit of 22% and a liquid limit of 40%. What is the activity classification if the clay content is 30%?
💡 Hint: Calculate the plasticity index first.
Question 2
A construction site has encountered a soil with 70% clay, a plastic limit of 40%, and a liquid limit of 70%. Classify the soil based on activity and liquidity index.
💡 Hint: Start with calculating the plasticity index.
Challenge and get performance evaluation