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

Wash boring cannot be used for _____ type of soil strata.

The measurement of resistance and penetration is done by ______

The undistributed samples are obtained by __

The depth of exploration for isolated spread footing is _______

The height of the free fall in sample in standard penetration test is _______

The standard penetration test is given in ________

The general exploration gives information about which of the following features?