2331. 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
✅ The correct answer is option B.
Civil Engineering
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2332. Physical properties of a permeant which influence permeability are________________?
A. viscosity only
B. unit weight only
C. both viscosity and unit weight
D. none of the above
✅ The correct answer is option C.
2333. Rise of water table in cohesionless soils upto ground surface reduces the net ultimate bearing capacity approximately by________________?
A. 25%
B. 50%
C. 75%
D. 90%
✅ The correct answer is option B.
2334. 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
✅ The correct answer is option B.
2335. In hydrometer analysis for a soil mass______________?
A. both meniscus correction and dispersing agent correction are additive
B. both meniscus correction and dispersing agent correction are subtractive
C. meniscus correction is additive and dispersing agent correction is subtractive
D. meniscus correction is subtractive and dispersing agent correction is additive
✅ The correct answer is option C.
2336. Which of the following methods is more suitable for the determination of permeability of clayey soil ?
A. constant head method
B. falling head method
C. horizontal permeability test
D. none of the above
✅ The correct answer is option B.
2337. Sensitivity of a soil can be defined as___________________?
A. percentage of volume change of soil under saturated condition
B. ratio of compressive strength of unconfined undisturbed soil to that of soil in a remoulded state
C. ratio of volume of voids to volume of solids
D. none of the above
✅ The correct answer is option B.
2338. Relative density of a compacted dense sand is approximately equal to_____________?
A. 0.4
B. 0.6
C. 0.95
D. 1.20
✅ The correct answer is option C.
2339. For better strength and stability, the fine grained soils and coarse grained soils are compacted respectively as____________________?
A. dry of OMC and wet of OMC
B. wet of OMC and dry of OMC
C. wet of OMC and wet of OMC
D. dry of OMC and dry of OMC where OMC is optimum moisture content
✅ The correct answer is option B.
2340. In the plate loading test for determining the bearing capacity of soil, the size of square bearing plate should be_________________?
A. less than 300 mm
B. between 300 mm and 750 mm
C. between 750 mm and 1 m
D. greater than 1 m
✅ The correct answer is option B.