Select the correct option with regard to the following statements (S1, S2) pertaining to pavements.
S1: Present serviceability index is used for the functional evaluation of pavement surface condition.
S2: Rigid pavements are less affected by temperature variations than flexible pavements.
1
Both statements S1 and S2 are true
2
Statement S1 is false and Statement S2 is true
3
Statement S1 is true and Statement S2 is false
4
Both statements S1 and S2 are false