engineering recuitment UKPSC AE Civil 2021 Mock Test (Re-Exam) Soil Mechanics and Foundation Engineering Effective and Neutral Stress
A uniform collapsible sand stratum, 2.5 m thick, has specific gravity of its sand as 2.65, with a natural void ratio of 0.65. The hydraulic head required to cause quick collapsible sand condition is
1
2.50 m
2
2.75 m
3
3.25 m
4
3.50 m