The measurement of resistance and penetration is done by ______

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

In Dutch cone test, the angle of vector of cone is ____

The depth up to which the increase in pressure due to structural loading is likely to cause perceptible settlement is __…

The properties of a soil under compaction depend upon _____

When deeper layers have increasingly greater density, the seismic refraction method is fast.

The cone resistance is approximately equal to __ times the penetration resistance N.

The penetration resistance is driving the sampler ______