Q.

Both asphalt and concrete are used for hard surfacing driveways. Which of the following is true for asphalt?

A. The thickness of an asphalt needed for a driveway is less than the thickness of concretevneeded for a driveway.
B. Asphalt should be pitched to promote drainage
C. Asphalt does not need a porous base material
D. Asphalt is crowned to promote drainage
Answer» C. Asphalt does not need a porous base material
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