Q. Both asphalt and concrete are used for hard surfacing driveways. Which of thefollowing is true for asphalt? (Solved)

1. The thickness of an asphalt needed for a driveway is less than the thickness of concretevneeded for a driveway.

2. Asphalt should be pitched to promote drainage

3. Asphalt does not need a porous base material

4. Asphalt is crowned to promote drainage