Question

The cone test is very useful in __________

(a) cohesion-less soils

(b) cohesive soils

(c) clays

(d) silty clay

The question was posed to me in an interview for job.

I want to ask this question from Geophysical Methods in section Stabilisation of Soils, Site Investigation and Sub – Soil Exploration of Geotechnical Engineering II

Answer 1

Correct option is (a) cohesion-less soils

For explanation I would say: The cone test is considered very useful in determining the bearing capacity of pits or bores in cohesion-less soils. It is particularly useful in fine sands of varying density.