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.Management Sciences
Category: Soil Mechanics and Foundation Engineering
If the degree of saturation of a partially saturated soil is 60%, then air content of the soil is______________?
A. 40%
B. 60%
C. 80%
D. 100%
If the water content of a fully saturated soil mass is 100%, then the voids ratio of the sample is________________?
A. less than specific gravity of soil
B. equal to specific gravity of soil
C. greater than specific gravity of soil
D. independent of specific gravity of soil
A cylindrical specimen of saturated soil failed under an axial vertical stress of 100kN/m2 when it was laterally unconfmed. The failure plane was inclined to the horizontal plane at an angle of 45°. The values of cohesion and angle of internal friction for the soil are respectively______________________?
A. 0.5 N/mm2 and 30°
B. 0.05 N/mm2 and 0°
C. 0.2 N/mm2 and 0°
D. 0.05 N/mm2 and 45°
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
With the increase in the amount of compaction energy________________?
A. optimum water content increases but maximum dry density decreases
B. optimum water content decreases but maximum dry density increases
C. both optimum water content and maximum dry density increase
D. both optimum water content and maximum dry density decrease
Terzaghi’s general bearing capacity formula for a strip footing (C Nc + y D Nq + 0.5 Y NTB. gives______________?
A. safe bearing capacity
B. net safe bearing capacity
C. ultimate bearing capacity
D. net ultimate bearing capacity where C = unit cohesion
Y =unit weight of soil D = depth of foundation B = width of foundation N„ Nq, NY = bearing capacity factors
In the triaxial compression test, the application of additional axial stress (i.e. deviator stress) on the soil specimen produces shear stress on__________________?
A. horizontal plane only
B. vertical plane only
C. both horizontal and vertical planes
D. all planes except horizontal and vertical planes
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