Podcast
Questions and Answers
What are soils formed from?
What are soils formed from?
- Metals and minerals
- Plants and animals
- Volcanic eruptions
- Physical and chemical weathering of rocks (correct)
Which type of soil contains calcium carbonate and effervesces when treated with hydrochloric acid?
Which type of soil contains calcium carbonate and effervesces when treated with hydrochloric acid?
- Calcareous soil (correct)
- Marine soils
- Aeolian soils
- Colluvial soils
What are Aeolian soils?
What are Aeolian soils?
- Soils transported by wind (correct)
- Soils formed by deposition in the seas
- Soils formed by movement of soil by gravity
- Soils transported by running water
What are the main components of minerals of interest to geotechnical engineers?
What are the main components of minerals of interest to geotechnical engineers?
Which group do kaolinite, illite, and montmorillonite belong to?
Which group do kaolinite, illite, and montmorillonite belong to?
Where are alluvial soils deposited?
Where are alluvial soils deposited?
What holds the layers together in Montmorillonite?
What holds the layers together in Montmorillonite?
What are the spaces between mineral particles in soil called?
What are the spaces between mineral particles in soil called?
Which process is used to determine particle sizes for gravels and sands?
Which process is used to determine particle sizes for gravels and sands?
Why is hydrometer analysis used for determining particle sizes of fine-grained soils (silts and clays)?
Why is hydrometer analysis used for determining particle sizes of fine-grained soils (silts and clays)?
According to the USCS and ASTM specifications, what is the particle size range for sand?
According to the USCS and ASTM specifications, what is the particle size range for sand?
What is a potential issue with hydrometer analysis for clay particles?
What is a potential issue with hydrometer analysis for clay particles?
