Practice Measurement Of Particle Size Distribution (5.2) - Soil Classification

Practice: Measurement of Particle Size Distribution

Lesson 5.2Soil Classification

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9 questions

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3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What method would you use to separate fine grains from coarse grains?
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Think about which method uses water to assist in separation.
Question 2.
What does D10 represent in soil analysis?
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Recall the definitions of effective size.
3Question 3.
What is the primary objective of soil classification?
- To provide a visual description
- To categorize soils with similar behaviors
- To measure densities
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Think about why we need to categorize soils in engineering.
4Question 4.
True or False: Wet sieving is used for particles coarser than 75 microns.
- True
- False
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Consider the particle sizes associated with each method.
Question 5.
Analyze two soil samples, A and B. Sample A has an effective size of 0.25 mm and a uniformity coefficient of 8; Sample B has an effective size of 0.15 mm and a uniformity coefficient of 4. Which sample is better graded and why?
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Recall the definition of uniformity coefficient.
Question 6.
What effects might the particle size distribution have on the drainage capabilities of a soil? Write a short paragraph discussing your reasoning.
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Consider how voids between particles impact fluid movement through soil.

5 more questions in this section. Enroll free to practise them all.