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.Management Sciences
Category: Soil Mechanics and Foundation Engineering
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
Degree of consolidation is________________?
A. directly proportional to time and inversely proportional to drainage path
B. directly proportional to time and inversely proportional to square of drainage path
C. directly proportional to drainage path and inversely proportional to time
D. directly proportional to square of drainage path and inversely proportional to time
Voids ratio of a soil mass can_________________?
A. never be greater than unity
B. be zero
C. take any value greater than zero
D. take values between 0 and 1 only
The rise of water table below the foundation influences the bearing capacity of soil mainly by reducing_______________?
A. cohesion and effective angle of shearing resistance
B. cohesion and effective unit weight of soil
C. effective unit weight of soil and effective angle of shearing resistance
D. effective angle of shearing resistance
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