A soil has a bulk density of 22 kN/m3 and water content 10 %. The dry density of soil is
A. 18.6 kN/m3
B. 20.0 kN/m3
C. 22.0 kN/m3
D. 23.2 kN/m3
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If the voids of a soil mass are full of air only, the soil is termed as
A. air entrained soil
B. partially saturated soil
C. dry soil
D. dehydrated soil
Quick sand is a
A. type of sand
B. flow condition occurring in cohesive soils
C. flow condition occurring in cohesionless soils
D. flow condition occurring in both cohesive and cohesionless soils
The water content of soil, which represents the boundary between plastic state and liquid state, is known as
A. liquid limit
B. plastic limit
C. shrinkage limit
D. plasticity index
供给曲线与需求曲线的交点即是市场均衡点。
A. 对
B. 错
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