engineering recuitment GATE CE 2023-24 Test Series Soil Mechanics and Foundation Engineering Index Properties
Which of the following statement is /are INCORRECT.
1
According to Highway Research Board (HRB), the soil can be classified majorly into 7 groups i.e, A1, A2,……, A7. Higher the group no. better will be the soil for pavement applications.
2
According to HRB, the A8 group consists of Organic soil..
3
According to the Indian Standard soil classification system, soil can be classified into 5 categories i.e, Gravel, Sand, Silt, Clay, and Organic soil.
4
Black cotton soil is formed by chemical weathering and it lies in the A6 group of the HRB soil classification system.