Q32
What parameter is used to classify soil in the Unified Soil Classification System (USCS)?
A.
Porosity
B.
Grain size and plasticity
AnswerC.
Dry density
D.
Organic content
Answer: Option B
Solution
Answer: Option B
Solution:
The USCS uses grain size distribution and plasticity characteristics (via Atterberg limits) to classify soil as clay, silt, sand, etc.