Ohio Asphalt Technician Level 2 Certification ACTUAL EXAM
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Ohio Asphalt Technician Level 2 Certification Exam: Complete Study Guide
Exam Coverage
The ODOT Asphalt Technician Level 2 Certification is administered by the Flexible Pavements of
Ohio (FPO) in cooperation with the Ohio Department of Transportation (ODOT
Key Domains Covered:
1. Aggregate Testing & Sampling – Sieve analysis, specific gravity, moisture content
2. Asphalt Binder Properties – PG grading, viscosity, penetration
3. HMA Mix Design – Volumetrics, Job Mix Formula (JMF)
4. Sampling & Testing Procedures – ODOT standardized methods
5. Plant & Field Operations – Production, placement, compaction
6. Quality Control Documentation – ODOT forms and reporting
Practice Questions (1-200)
Domain 1: Aggregate Testing & Sampling (Questions 1-30)
1. According to ODOT specifications, what is the purpose of a Job Mix Formula (JMF)?
• A. To calculate the total cost of materials for a project
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• B. To provide the target aggregate gradation and asphalt content for production
• C. To schedule delivery times for asphalt to the job site
• D. To document employee work hours on a project
Answer: B
Rationale: The Job Mix Formula (JMF) is the approved target blend of aggregates and asphalt
binder that a plant must produce to meet project specifications. It defines the specific gradation
and asphalt content required for the mix.
2. What is the required minimum core testing frequency for ODOT asphalt pavement
projects?
• A. 1 core per 500 tons
• B. 1 core per 1,000 tons
• C. 1 core per 2,000 tons
• D. 1 core per 5,000 tons
Answer: B
Rationale: ODOT specifications require density testing via roadway cores at a frequency of
approximately 1 core per 1,000 tons of asphalt placed, with a minimum number of cores per lot.
3. When sampling hot mix asphalt from a truck, where should the sample be taken?
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• A. From the top of the load only
• B. From the bottom of the load only
• C. From multiple depths after removing the top layer
• D. From the side of the truck bed only
Answer: C
Rationale: Samples must be obtained from multiple depths after removing the segregated
material at the top of the load. The sampling scoop should be inserted into the load to obtain a
representative cross-section.
4. The ignition furnace method is used to determine which property of asphalt mix?
• A. Aggregate specific gravity
• B. Asphalt binder content
• C. Maximum theoretical density
• D. Moisture content
Answer: B
Rationale: The ignition furnace burns off the asphalt binder at high temperature, allowing the
technician to calculate the asphalt content by weight loss. This is the standard ODOT method for
binder content verification.
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5. A passing grade on the ODOT Level 2 written examination qualifies a technician to:
• A. Immediately perform all QC testing independently
• B. Schedule a half-day laboratory practical examination
• C. Apply for Level 3 certification
• D. Supervise a quality control team
Answer: B
*Rationale: Individuals who pass the written examination must then complete a half-day hands-
on practical test in the laboratory demonstrating proficiency in basic QC tests before receiving
full Level 2 approval.*
6. What does ODOT stand for in asphalt testing specifications?
• A. Ohio Department of Transportation
• B. Office of Design and Testing
• C. Organization of Digital Transport
• D. Ohio Division of Traffic
Answer: A
Rationale: ODOT is the Ohio Department of Transportation, which establishes the specifications
for asphalt concrete quality control on projects constructed under ODOT requirements.