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

In the seismic refraction method, the waves sent along the ground surface is picked by _____

To know the cone resistance, it is first forced down to _____ depth.

If σ’ is the effective overburden pressure, then the effective penetration resistance is given by _________

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

The type of boring, used for making deep excavations is _____

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

The properties of soil that are affected by compaction are ______