Question

The performance of the soil, when used for pavement construction is found out by using _____________

(a) Quality test

(b) Group index

(c) Material test

(d) None of the mentioned

The question was asked in a national level competition.

My query is from Soils topic in section Classification of Soils of Geotechnical Engineering I

Answer 1

Correct answer is (b) Group index

The explanation is: As group index is a mean of rating the value of soil as a sub-grade material. It can be used for finding the performance and quality of the soil.