Practice question

Air-entrained concrete is specified for many Virginia concrete pavements primarily to:

  1. Eliminate the need for any curing
  2. Improve freeze-thaw durability by providing microscopic air voids
  3. Increase slump so the mix can be pumped without water
  4. Replace dowel bars at transverse joints

Answer: B — Improve freeze-thaw durability by providing microscopic air voids

The correct answer is shown above. Try the full quiz for additional practice.

Practice more: VA H H QI Practice Questions - Virginia Highway Heavy Contracting Qualified Individual Examination Exam →