Category: Soil Mechanics and Foundation Engineering

A. air content
B. porosity
C. percentage air voids
D. voids ratio

A. the stress at particles contact
B. a physical parameter that can be measured
C. important because it is a function of engineering properties of soil
D. all of the above

A. 10 mm
B. 20 mm
C. 40 mm
D. none of the above

A. 25%
B. 50%
C. 75%
D. 90%

A. In a direct shear box test, the plane of shear failure is predetermined
B. Better control is achieved on the drainage of the soil in a triaxial compression test
C. Stress distribution on the failure plane in the case of triaxial compression test is uniform
D. Unconfined compression test can be carried out on all types of soils

A. Effective cohesion of a soil can never have a negative value
B. Effective angle of internal friction for coarse grained soils is rarely below 30°
C. Effective angle of internal friction for a soil increases as state of compact-ness increases
D. Effective angle of internal friction is a complicated function of mineralogy and clay size content

A. plasticity index to consistency index
B. plasticity index to flow index
C. liquidity index to flow index
D. consistency index to liquidity index

A. effective size
B. uniformity coefficient
C. coefficient of curvature
D. none of the above

A. less at edges compared to middle
B. more at edges compared to middle
C. uniform throughout
D. none of the above

A. oven drying method
B. sand bath method
C. alcohol method
D. calcium carbide method