Certification Exam Practice Questions

Ohio Asphalt Technician Level 1 Certification Exam Practice Questions And Correct Answers (Verified Answers) Plus Rationales 2025|2026 Q&A | Instant Download Pdf

• The primary purpose of the Ohio Asphalt Technician Level 1

certification is to:

a) Install asphalt paving equipment

b) Operate heavy highway machinery

c) Ensure proper sampling and testing of asphalt materials

d) Survey road construction sites

Rationale: The Level 1 Tech focuses on sampling, testing, and

documentation of asphalt mixes.

2. Asphalt binder is primarily produced from:

a) Crushed limestone

b) Coal ash 1 / 3

c) Petroleum refining

d) Natural sand deposits

Rationale: Asphalt binder is a by-product of petroleum refining

processes.

3. The main component of asphalt concrete by percentage is:

a) Asphalt binder

b) Aggregate

c) Portland cement

d) Water

Rationale: Aggregate makes up about 90–95% of asphalt concrete by

weight.

4. The term “HMA” stands for:

a) Heavy Mix Asphalt

b) Hot Mix Asphalt

c) Heated Mineral Aggregate

d) High Machinery Asphalt

Rationale: HMA is Hot Mix Asphalt, produced at high temperatures.

• The correct temperature range for sampling Hot Mix Asphalt behind

the paver is generally:

• 100–150°F
• 250–325°F
• 50–75°F
• 400–500°F 2 / 3

Rationale: HMA is typically compacted and sampled within 250–

325°F.

6. One important reason for proper compaction is to:

a) Make the pavement look shiny

b) Reduce air voids

c) Increase color uniformity

d) Prevent binder flow

Rationale: Proper compaction reduces air voids and increases

pavement durability.

7. The tool commonly used to take a field sample from the roadway is:

a) Chisel

b) Trowel

c) Scoop shovel

d) Flat square shovel

Rationale: Flat shovels help avoid segregation during sampling.

8. Segregation in HMA refers to:

a) Excess asphalt binder

b) Separation of aggregate sizes

c) Low compaction

d) Overheating the mix

Rationale: Segregation occurs when coarse and fine aggregates

separate.

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