The classification of soils into different particle sizes is called?

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Multiple Choice

The classification of soils into different particle sizes is called?

Explanation:
Gradation is the process of classifying soils by particle size. It describes how much of the soil is made up of gravel, sand, silt, and clay, showing the distribution of particle sizes within a sample. This information helps engineers assess compaction, drainage, and stability, and it’s determined through tests like sieve analysis for the coarser fractions and a hydrometer test for the finer fractions. The other terms refer to different ideas: backhauling is about transporting loads back to origin, inorganic means non-organic material, and riprap is a layer of large stones used to protect surfaces, not the sizing of soil particles.

Gradation is the process of classifying soils by particle size. It describes how much of the soil is made up of gravel, sand, silt, and clay, showing the distribution of particle sizes within a sample. This information helps engineers assess compaction, drainage, and stability, and it’s determined through tests like sieve analysis for the coarser fractions and a hydrometer test for the finer fractions. The other terms refer to different ideas: backhauling is about transporting loads back to origin, inorganic means non-organic material, and riprap is a layer of large stones used to protect surfaces, not the sizing of soil particles.

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