What parameter is used to classify soil in the Unified Soil Classification System (USCS)?
A. Porosity
B. Grain size and plasticity
C. Dry density
D. Organic content
Answer: Option B
Solution (By Examveda Team)
The USCS uses grain size distribution and plasticity characteristics (via Atterberg limits) to classify soil as clay, silt, sand, etc.This Question Belongs to Geological Engineering >> Soil Mechanics
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