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Soil Mechanics and Foundation Engineering - Engineering

Q1:

Pick up the correct statement from the following :

A In soils, the flow index indicates variation in shear strength with water content

B Liquid limit minus plastic limit, is known as plasticity index of the soil

C Plastic limit minus shrinkage limit, is known as shrinkage index of the soil

D The ratio of the plasticity index to the flow limit, is known as toughness index of the soil

E All the above.

ANS:E - All the above.

Toughness Index = plasticity index/flow index.
Shrinkage Index = Liquid limit-shrinkage Limit.
Except (C),(D) all are correct.