Practice Unified Soil Classification System (uscs) (1.4.2) - Soil Classification for Pavement Engineering

Practice: Unified Soil Classification System (USCS)

Lesson 1.4.2Soil Classification for Pavement Engineering

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10 questions

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Quiz
4 questions · about 3 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What are the two main categories of soils in the USCS?
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Think about what passes through the No. 200 sieve.
Question 2.
What does the symbol 'W' indicate in USCS?
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It starts with the letter that stands for good soil.
3Question 3.
What are the major divisions in USCS?
- A. Coarse-Grained
- Fine-Grained
- B. Organic
- Inorganic
- C. Sandy
- Clayey
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Think about grain size when classifying.
4Question 4.
The A-Line in the plasticity chart separates which types of soils?
- A. Clay and Gravel
- B. Silt and Clay
- C. Sandy and Gravel
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Consider what each type is known for.
Question 5.
Given a soil sample with a moisture content of 25%, a plasticity index of 15, and a liquid limit of 32, determine its USCS classification.
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Use the characteristics related to plasticity index and liquid limit to determine classification.
Question 6.
Analyze a mixed soil sample consisting of 40% gravel, 30% sand, and 30% silt. Discuss its USCS classification.
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Identify the dominant soil type based on composition percentages for classification.

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