Practice question

Per NMDOT 2019 Section 423.3.5.2, what may be used to keep HMA from sticking to roller wheels?

  1. Diesel fuel sprayed lightly on the drums
  2. Kerosene or other petroleum diluents
  3. Water, or water mixed with a very small quantity of detergent or other approved material
  4. Used motor oil wiped on the drums

Answer: C — Water, or water mixed with a very small quantity of detergent or other approved material

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