Practice question

The typical roller sequence on a hot-mix asphalt mat is:

  1. Finish roller first, then breakdown, then intermediate
  2. Breakdown (compaction) roller first while the mix is hottest, then intermediate, then finish to remove marks
  3. Pneumatic roller only, with no steel-wheel rolling
  4. Water truck first to cool the mat, then a single static pass

Answer: B — Breakdown (compaction) roller first while the mix is hottest, then intermediate, then finish to remove marks

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