The inside clearance of the sampler should ___

Auger is suitable for ___

The feature that helps to estimate the relative density of coarse-grained soil is ___

For sampling saturated cohesion-less soils ___ is inserted.

The cone test is very useful in ______

The method used for studying of horizontal changes in the sub-soil is ___

The angle of internal friction for fines lesser than 5% is _______

The inside clearance of the sampler is ____