The number and disposition of bore holes are varied, depending upon ___

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

The commonly used geophysical method for site exploration is ____

The sampler is driven through ________ as seating drive.

In hand operated rings in ‘auger and shell boring’ the depth of which it can be used is _____

A ____ sample has preserved natural structure of soil.

Auger is suitable for ___

The measurement of resistance and penetration is done by ______