For sampling saturated cohesion-less soils ___ is inserted.

The cone test is very useful in ______

The properties of a soil under compaction depend upon _____

In site exploration, depth up to which the increase in pressure is likely to cause shear failure is known as _______

In Dutch cone test, the cone along with mantle is further penetrated after 8cm to a depth of ____

In rotator boring ______ is forced down the hallow drillrods.

________ sample has the natural structure of soil as modified.

The standard penetration test is performed in clear hole of _________ mm in diameter.