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Highway Construction Materials Testing Flashcards

6 cards from real NICET practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 Highway Construction Materials Testing flashcards as text

  1. What piece of equipment is used to compact hot mix asphalt specimens in a Superpave mix design?

    Answer: Gyratory compactor

    The Superpave Gyratory Compactor (SGC) is used to compact HMA specimens by applying vertical pressure while gyrating the mold at a small angle.

  2. Which agency sets the specifications for materials testing on federally funded highway projects?

    Answer: FHWA (Federal Highway Administration)

    The FHWA establishes specifications and standards for materials quality on federally funded highway construction projects.

  3. What is the purpose of the Atterberg Limits test in highway construction?

    Answer: Classify fine-grained soils and assess their moisture sensitivity

    Atterberg Limits (Liquid Limit and Plastic Limit) classify fine-grained soils and identify their susceptibility to strength loss and volume change with moisture variation.

  4. A field density test using a sand cone apparatus measures:

    Answer: In-place density of compacted material using measured sand to fill the test hole

    The sand cone test (AASHTO T 191) determines in-place density by excavating a small hole, weighing the material removed, and filling the hole with calibrated sand to measure its volume.

  5. What does the term 'percent passing' mean in aggregate sieve analysis?

    Answer: The cumulative percentage by weight of material that passes through a given sieve size

    Percent passing is the cumulative percentage by weight of aggregate that passes through each successive sieve size during a sieve analysis.

  6. Which NICET HCMT certification level allows a technician to perform all routine materials testing tasks independently?

    Answer: Level II

    NICET HCMT Level II certifies technicians who can independently perform all routine materials testing and sampling tasks without direct supervision.