25%

50%

75%

90%

less at edges compared to middle

more at edges compared to middle

uniform throughout

none of the above

sands

clays

gravels

highly organic soils.

2.65

2.72

2.85

2.9

The phenomenon of quicksand generally occurs in the cohesionless soil

At critical hydraulic gradient, the saturated sand becomes quick

The critical gradient depends on the void ratio and the specific gravity

All the above