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.Management Sciences
Category: Soil Mechanics and Foundation Engineering
Constant head permeameter is used to test permeability of_______________?
A. silt
B. clay
C. coarse sand
D. fine sand
The angle that Coulomb’s failure envelope makes with the horizontal is called________________?
A. cohesion
B. angle of internal friction
C. angle of repose
D. none of the above
The most suitable method for drainage of fine grained cohesive soils is________________?
A. well ppint system
B. vacuum method
C. deep well system
D. electroosmosis method
The shear strength of a soil_________________?
A. is directly proportional to the angle of internal friction of the soil
B. is inversely proportional to the angle of internal friction of the soil
C. decreases with increase in normal stress
D. decreases with decrease in normal stress
Time factor for a clay layer is_______________?
A. a dimensional parameter
B. directly proportional to permeability of soil
C. inversely proportional to drainage path
D. independent of thickness of clay layer
The admixture of coarser particles like sand or silt to clay causes______________?
A. decrease in liquid limit and increase in plasticity index
B. decrease in liquid limit and no change in plasticity index
C. decrease in both liquid limit and plasticity index
D. increase in both liquid limit and plasticity index
Direct measurement of permeability of the specimen at any stage of loading can be made_______________?
A. only in fixed ring type consolido-meter
B. only in floating ring type consolido-meter
C. both (A) and (B)
D. none of the above
If the natural water content of soil mass lies between its liquid limit and plastic limit, the soil mass is said to be in______________?
A. liquid state
B. plastic state
C. semi-solid state
D. solid state
Coefficient of compressibility is_______________?
A. constant for any type of soil
B. different for different types of soils and also different for a soil under different states of consolidation
C. different for different types of soils but same for a soil under different states of consolidation
D. independent of type of soil but depends on the stress history of soil
The hydrometer method of sedimentation analysis differs from the pipette analysis mainly in_____________?
A. the principle of test
B. the method of taking observations
C. the method of preparation of soil suspension
D. all of the above
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