Certification Exam Practice Questions
And Correct Answers (Verified Answers)
Plus Rationales 2025|2026 Q&A |
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1. 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
, 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.
5. The correct temperature range for sampling Hot Mix Asphalt behind
the paver is generally:
a) 100–150°F
b) 250–325°F
c) 50–75°F
d) 400–500°F
, 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.