railway RRB JE (CBT I + CBT II) Mock Test 2024 Soil Mechanics and Foundation Engineering Classification of Soils
Directions: Select your answer to the following question using the codes given below :
Codes :
Assertion A: Black cotton soils are expansive.
Reason R: Black cotton soils are residual soils.
1
Both A and R are true and R is the correct explanation of A
2
Both A and R are true but R is not correct explanation of A
3
A is true but R is false
4
A is false but R is true