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
Related Mcqs:
- Select the incorrect statement ?
Effective angle of shearing resistance
A. increases as the size of particles increases
B. increases as the soil gradation im-proves
C. is limited to a maximum value of 45°
D. is rarely more than 30° for fine grained soil - Select the incorrect statement ?
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 - Select the incorrect statement?
A. Bearing capacity of a soil depends upon the amount and direction of load
B. Bearing capacity of a soil depends on the type of soil
C. Bearing capacity of a soil depends upon shape and size of footing
D. Bearing capacity of a soil is indepen-dent of rate of loading - Select the correct statement?
A. The greater the viscosity, the greater is permeability
B. The greater the unit weight, the greater is permeability
C. The greater the unit weight, the smaller is permeability
D. Unit weight does not affect per-meability - Select the correct statement?
A. coefficient of compressibility of an over-consolidated clay is less than that of a normally consolidated clay
B. coefficient of compressibility of an over-consolidated clay is greater than that of a normally consolidated clay
C. coefficient of compressibility is cons-tant for any clay
D. none of the above - Select the correct statement?
A. Unit weight of dry soil is greater than unit weight of wet soil
B. For dry soils, dry unit weight is less than total unit weight
C. Unit weight of soil increases due to submergence in water
D. Unit weight of soil decreases due to submergence in water - Select the correct statement?
A. A uniform soil has more strength and stability than a non-uniform soil
B. A uniform soil has less strength and stability than a non-uniform soil
C. Uniformity coefficient does not affect strength and stability
D. Uniformity coefficient of a poorly graded soil is more than that of a well graded soil - Select the correct range of density index,ID ________________?
A. lD>0
B. ID>0
C. 0 < lD < 1
D. 0 < ID < 1 - A pycnometer is used to determine_______________?
A. water content and voids ratio
B. specific gravity and dry density
C. water content and specific gravity
D. voids ratio and dry density - The hydraulic head that would produce a quick condition in a sand stratum of thickness 1.5 m, specific gravity 2.67 and voids ratio 0.67 is equal to_______________?
A. 1.0m
B. 1.5 m
C. 2.0 m
D. 3m
