Ohio Hazardous Materials CDL Practice Test
Practice with real OH HAZMAT exam questions and detailed explanations. Rated 4.8 stars by 1,000+ drivers.
Written by CDL holders and exam prep experts · Updated April 2026
Free Questions
10
Passing Score
80%
Time Limit
No time limit specified
Prerequisites
Valid CDL license required - can be added to any CDL class
What is the Hazardous Materials Endorsement?
The HAZMAT (Hazardous Materials) endorsement allows you to transport dangerous goods that could pose a risk to health, safety, property, or the environment. This includes chemicals, explosives, flammable liquids, and other regulated materials.
TSA background check required (additional requirements apply)
Topic Breakdown
Hazardous Materials Regulations
~9 questions
- DOT regulations and requirements
- Hazard classes and divisions
- Shipping papers and manifests
Safety Procedures
~7 questions
- Loading and unloading procedures
- Emergency response protocols
- Personal protective equipment
Vehicle Requirements
~6 questions
- Placarding requirements
- Vehicle inspection procedures
- Equipment specifications
Documentation
~5 questions
- Shipping papers
- Emergency response information
- Record keeping requirements
Emergency Response
~3 questions
- Spill containment procedures
- Emergency contacts and reporting
Free Practice Questions
10 questionsQuestion 1 of 10
Whenever your vehicle is placarded, do not drive near open fire unless you:
Browse Ohio HAZMAT Questions
- 1. Whenever your vehicle is placarded, do not drive near open fire unless you:
- 2. What is the purpose of placards?
- 3. Which of the 9 hazard classes may NOT be transported in a temperature-controlled trailer?
- 4. The basic description of a hazardous material includes the hazard class, the identification number and the proper shipping name. Which one must appear first in the shipping paper?
- 5. A vehicle placarded for hazardous materials must have placards on ____ sides.
- 6. Where should hazardous materials shipping papers be kept whenever you are parked and leaving the vehicle unattended?
- 7. Which of the following is true of the Emergency Response Guidebook used by first responders to HazMat situations?
- 8. You are going to be hauling hazardous materials over a route you do not know well. When should you check the route and the permits needed for the trip?
- 9. How many sides of a tractor-trailer require placards when transporting hazardous materials?
- 10. A driver who transports controlled radioactive material must have had special training by the carrier within the last ____ years.
Study Tips for Ohio
- 1Memorize the 9 hazmat classes: explosives, gases, flammable liquids, flammable solids, etc.
- 2Know the placarding rule: 1,001+ lbs requires placards (except for certain materials)
- 3Learn the segregation table: which materials cannot be loaded together on same vehicle
- 4Remember the 25-foot parking rule: must park 25+ feet from buildings with hazmat
- 5Master shipping paper location: driver's side door pocket or seat when driving
Ohio CDL Information
Age Requirements
Intrastate: 18+ · Interstate: 21+
CDL Renewal
Every 4 years
ELDT Required
Yes — ELDT (Entry-Level Driver Training) from FMCSA-registered provider
Ohio Bureau of Motor Vehicles (BMV)
Official CDL Portal →Career Opportunities
Want the full background on this endorsement?
Read the complete Hazardous Materials endorsement guide →Frequently Asked Questions
First, you need a valid CDL. Then pass the HAZMAT knowledge test (30 questions), complete a TSA background check, and fulfill all required documentation. The endorsement is subject to TSA renewal cycles (typically every 5 years).
HAZMAT Study Resources
Be Ready for Your Ohio HAZMAT Test
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