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100+ Free NICET CMT Asphalt Practice Questions

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Which AASHTO standard covers sampling bituminous paving mixtures (loose HMA) from trucks, paver, or stockpiles?

A
B
C
D
to track
2026 Statistics

Key Facts: NICET CMT Asphalt Exam

4

Certification Levels

NICET CMT-Asphalt

88-165

Published Question Counts

By level

170-365 min

Published Exam Times

NICET CMT-Asphalt

$230-$425

2026 NICET CMT Exam Fees

NICET fee schedule

3 years

Recertification Cycle

NICET CPD

Pearson VUE

Test Delivery

NICET scheduling

6-120 mo

Experience Range

Level I to IV

AASHTO / Superpave

Reference Families

CMT-Asphalt outline

NICET's CMT-Asphalt program anchors on AASHTO T 209 (Gmm), T 166 (Gmb), T 308 (ignition binder content), T 312 (Superpave gyratory), T 245 (Marshall), T 283 (TSR), and T 324 (Hamburg) at the mix level, with Superpave binder PG grading (DSR, BBR, RTFO, PAV) and field density via nuclear and non-nuclear gauges. The 2026 exams at Pearson VUE are published as 110 questions in 170 minutes (Level I), 165 in 365 minutes (Level II, includes a 30-minute break), 138 in 335 minutes (Level III), and 88 items in 245 minutes (Level IV). Candidates should drill volumetric math, placement/compaction windows, plant inspection, and NICET ethics.

Sample NICET CMT Asphalt Practice Questions

Try these sample questions to test your NICET CMT Asphalt exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Which AASHTO standard covers sampling bituminous paving mixtures (loose HMA) from trucks, paver, or stockpiles?
A.AASHTO R 97 / T 168
B.AASHTO T 209
C.AASHTO T 166
D.AASHTO T 312
Explanation: AASHTO T 168 (now often cross-referenced with R 97) is the sampling practice for bituminous paving mixtures. It specifies minimum sample sizes, sampling points, and methods to prevent segregation during sampling.
2Theoretical maximum specific gravity (Rice test) of HMA is determined by which AASHTO standard?
A.AASHTO T 209
B.AASHTO T 166
C.AASHTO T 30
D.AASHTO T 27
Explanation: AASHTO T 209 (ASTM D2041) determines theoretical maximum specific gravity (Gmm), sometimes called the Rice specific gravity. It is the reference for calculating air voids and VMA in compacted HMA specimens.
3Bulk specific gravity (Gmb) of a compacted HMA specimen is determined by which AASHTO standard for dense-graded mixes?
A.AASHTO T 166
B.AASHTO T 85
C.AASHTO T 84
D.AASHTO T 331
Explanation: AASHTO T 166 uses saturated surface-dry (SSD) mass in air and mass in water to compute Gmb of dense-graded HMA specimens. For high-void or open-graded mixes, T 331 (automatic vacuum sealing) is preferred.
4Air voids (Va) in compacted HMA are calculated using which relationship?
A.Va = 100 x (1 - Gmb/Gmm)
B.Va = 100 x Gmm/Gmb
C.Va = Gmb + Gmm
D.Va = 100 - Gmm
Explanation: Air voids are computed as Va = 100 x (Gmm - Gmb)/Gmm = 100 x (1 - Gmb/Gmm). Superpave targets 4.0 percent air voids at Ndesign for dense-graded mixes.
5Superpave gyratory compactor (SGC) compaction is covered by which AASHTO standard?
A.AASHTO T 312
B.AASHTO T 245
C.AASHTO T 283
D.AASHTO T 164
Explanation: AASHTO T 312 is the method of preparing and determining density of HMA specimens using the Superpave gyratory compactor. SGC uses an angle of 1.16 +/- 0.02 degrees and 600 kPa normal pressure.
6Marshall mix design stability and flow is covered by which AASHTO standard?
A.AASHTO T 245
B.AASHTO T 312
C.AASHTO T 283
D.AASHTO T 308
Explanation: AASHTO T 245 is the Marshall method: compact specimens with 35, 50, or 75 blows per face, measure stability and flow at 60 C. Marshall is still used by many state DOTs alongside or in place of Superpave.
7Asphalt content by ignition is determined per which AASHTO standard?
A.AASHTO T 308
B.AASHTO T 164
C.AASHTO T 283
D.AASHTO T 209
Explanation: AASHTO T 308 burns asphalt binder off of the HMA sample in an ignition furnace at approximately 538 C. An aggregate correction factor is developed at the start of a project to account for aggregate mass loss.
8Asphalt content by centrifuge or reflux extraction is determined per:
A.AASHTO T 164 / ASTM D2172
B.AASHTO T 166
C.AASHTO T 245
D.AASHTO T 312
Explanation: AASHTO T 164 (ASTM D2172) dissolves binder in solvent to extract asphalt and recover aggregate. It is older than the ignition method (T 308) and is still used where solvents are preferred.
9Voids in mineral aggregate (VMA) is defined as:
A.Air voids in compacted mix
B.Intergranular void volume between the aggregate particles in a compacted paving mix (air voids + effective binder)
C.Voids in recycled asphalt
D.Voids in the binder itself
Explanation: VMA is the volume of voids in the aggregate skeleton, expressed as a percentage of total mix. It equals air voids (Va) plus effective binder volume (Vbe). Adequate VMA provides film thickness for durability.
10Voids filled with asphalt (VFA) is best described as:
A.Percentage of VMA filled with effective binder (VFA = 100 x (VMA - Va)/VMA)
B.Percentage of coarse aggregate
C.Percentage of binder by mass
D.Percentage of RAP in mix
Explanation: VFA measures how much of the VMA is occupied by effective asphalt (not air). Too low VFA (dry mix) causes durability problems; too high (rich mix) can lead to rutting.

About the NICET CMT Asphalt Exam

NICET Construction Materials Testing - Asphalt is a four-level field and laboratory certification for technicians who sample HMA/WMA mixes, run volumetric and binder tests, operate nuclear gauges, and - at higher levels - design sampling programs, inspect plants, train lower-level technicians, and manage lab accreditation for asphalt materials.

Assessment

4 level-specific exams (Levels I-IV)

Time Limit

170 min (Level I) up to 365 min (Level II, includes 30-min break)

Passing Score

Scaled score; NICET reports 'Pass' when the level-specific threshold is met

Exam Fee

$230 Level I, $315 Level II, $370 Level III, $425 Level IV (2026 NICET CMT fees) (NICET / Pearson VUE)

NICET CMT Asphalt Exam Content Outline

5-15% (Level I); 1-9% (Level III)

Sampling of Asphalt Mixes and Components

AASHTO T 168/R 97 sampling from trucks, pavers, and stockpiles; aggregate and binder sampling; chain of custody; designing aggregate sampling programs at higher levels.

5-15% (Level III)

Asphalt Mix Testing

AASHTO T 209 Gmm (Rice), T 166 Gmb, T 275 paraffin, T 331 vacuum-sealing, T 308 ignition, T 164 extraction, T 283 TSR / Lottman, T 324 Hamburg wheel, permeability, and immersion compression.

20-30% (Level III)

Asphalt Mix Design

Superpave mix design (T 312, volumetrics, Ndesign/Ninitial/Nmax, %Gmm, VMA, VFA, dust/binder ratio), Marshall (T 245), Hveem, aggregate selection, RAP/RAS, warm mix, and SMA/OGFC/dense-graded design.

15-25% (Level III)

Asphalt Mix Production and Placement

Drum and batch plant inspection, gradation control, tack and prime coats, paver and screed operations, rolling patterns, mat temperature, segregation, and longitudinal joint density.

Field QC across levels

Field Density and Gauges

Nuclear density gauges (backscatter and direct transmission), non-nuclear electromagnetic gauges, core correlation, acceptance percent Gmm, joint-density criteria, and NRC/DOT nuclear source safety.

15-25% (Level III)

Quality System, Supervision, and Training

ASTM D3666 / AASHTO R 18 lab accreditation, training records, calibration records, proficiency testing, records retention, and review of Level I/II technician work.

15-25% (Level III)

Reporting, Ethics, and Field Problem Resolution

Review of sampling methods, mix and aggregate test procedures, control charts, NICET Code of Ethics, nonconforming-result handling, schedule-pressure decisions, and preliminary reports.

Level IV senior duties

Senior Engineering Technician Responsibilities

Complex sampling programs, lab quality system management, accreditation, budgets and estimates, resolving field problems, training at Level III, and final reporting under PE guidance.

How to Pass the NICET CMT Asphalt Exam

What You Need to Know

  • Passing score: Scaled score; NICET reports 'Pass' when the level-specific threshold is met
  • Assessment: 4 level-specific exams (Levels I-IV)
  • Time limit: 170 min (Level I) up to 365 min (Level II, includes 30-min break)
  • Exam fee: $230 Level I, $315 Level II, $370 Level III, $425 Level IV (2026 NICET CMT fees)

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

NICET CMT Asphalt Study Tips from Top Performers

1Master the Superpave volumetric chain: measure Gmm (T 209) and Gmb (T 166), calculate Va = 100(1 - Gmb/Gmm), then VMA and VFA. Practice by plugging numbers.
2Memorize each AASHTO T-number and what it measures; confusing T 166 (Gmb) with T 209 (Gmm) is a classic test trap.
3Drill ignition furnace details - temperature (approximately 538 C), aggregate correction factor, and typical error sources.
4Study PG binder tests in order: RTFO (short-term aging), DSR (rutting), PAV (long-term aging), BBR (cracking) - and know the Superpave pass criteria.
5Review placement and compaction windows (mat temperature, rolling patterns, longitudinal joint density) because they dominate Level I/II field questions.
6For Level III, focus on mix design verification, plant inspection (drum vs. batch), RAP binder grade adjustments, and SMA fibers.
7Nail the NICET Code of Ethics; falsification and selective reporting scenarios are frequent exam items across all levels.
8Use mixed timed sets spanning sampling, volumetrics, binder grading, field density, plant QC, and ethics to simulate the real exam.

Frequently Asked Questions

How many questions are on the NICET CMT-Asphalt exam?

NICET publishes the exam as 110 questions in 170 minutes for Level I, 165 in 365 minutes for Level II (includes a 30-minute scheduled break), 138 in 335 minutes for Level III, and 88 items in 245 minutes for Level IV.

How much does the CMT-Asphalt exam cost in 2026?

Per NICET's standard-model CMT fee schedule, exam fees are $230 (Level I), $315 (Level II), $370 (Level III), and $425 (Level IV). Rescheduling more than 24 hours before the appointment within the testing window is generally free.

Who delivers the CMT-Asphalt exam?

NICET owns the certification and Pearson VUE delivers the computer-based exam at approved test centers. Register with NICET, receive an eligibility notice, and then schedule with Pearson VUE.

What work experience is required for each level?

Per NICET certification requirements, Level I requires 6 months of CMT experience (3 in asphalt), Level II 24 months (12 in asphalt), Level III 60 months (36 in asphalt) plus a personal recommendation, and Level IV 120 months (60 in asphalt) with a senior-level recommendation.

Which AASHTO standards should I focus on?

Prioritize AASHTO T 168 (sampling), T 27/T 30 (gradation), T 209 (Gmm), T 166 (Gmb), T 308 (ignition), T 312 (Superpave gyratory), T 245 (Marshall), T 283 (TSR), T 324 (Hamburg), and Superpave binder tests (T 240 RTFO, T 315 DSR, T 313 BBR).

How is in-place density verified for acceptance?

Nuclear gauges (backscatter for thin HMA surfaces, direct transmission for thicker lifts) are commonly used with core correlation to establish accurate Gmb-equivalent density. Non-nuclear gauges also require correlation. Most DOTs require 92-94 percent of Gmm, with joint density within ~2 percent of mat.

What is Superpave Ndesign?

Ndesign is the number of Superpave gyratory compactor gyrations at which the mix is designed for 4.0 percent air voids. It varies with 20-year design ESALs (traffic level) from ~50 to ~125 gyrations, with Ninitial and Nmax constraints to limit tender or overly stiff mixes.

How often do I recertify my NICET CMT-Asphalt credential?

Every three years through Continuing Professional Development. Technicians log CPD from technical training, industry participation, and supervised experience, then submit the record before the cycle ends.