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.Management Sciences
Category: Soil Mechanics and Foundation Engineering
Toughness index is defined as the ratio of____________________?
A. plasticity index to consistency index
B. plasticity index to flow index
C. liquidity index to flow index
D. consistency index to liquidity index
Which of the following is a measure of particle size range ?
A. effective size
B. uniformity coefficient
C. coefficient of curvature
D. none of the above
Contact pressure beneath a rigid footing resting on cohesive soil is_________________?
A. less at edges compared to middle
B. more at edges compared to middle
C. uniform throughout
D. none of the above
For proper field control, which of the following methods is best suited for quick determination of water content of a soil mass ?
A. oven drying method
B. sand bath method
C. alcohol method
D. calcium carbide method
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
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