Assertion (A): The standard penetration test is the most commonly used in-situ test, especially for cohesionless soils which cannot be easily sampled.
Reason (R): The test is extremely useful for determining the relative density and the angle of shear resistance of cohesionless soils.
1
Both A and R are individually true but R is NOT the correct explanation of A
2
Both A and R are individually true and R is the correct explanation of A
3
A is true but R is false
4
A is false but R is true