Soil Mechanics and Foundation Engineering - Engineering

Q1:

Pick up the cohesive soil from the following:

A Red earth

B Clay

C Black cotton soil

D Compacted ground.

ANS:C - Black cotton soil

Clay = highly cohesive.

Black cotton soil = only cohesive. First of all, clay is not a cohesive soil it's only a c-phi soil. The best example of cohesive soil is undrained clay.