CDL (Commercial Driver)
CDL Hazardous Materials (H) Practice Test 1
Free — no payment neededLevel: Mixed
20 original CDL Hazardous Materials (H) questions based on the federal motor carrier safety rules (49 CFR). Practice test, not affiliated with any government agency.
Created by AI
Practice test, not affiliated with any government agency. Original questions written from public sources, checked by a second AI reviewer and automated checks. Rules change; confirm with the official handbook.
Before you start
- Questions
- 20 multiple-choice questions, one at a time
- Time
- About 12 minutes. Untimed — take as long as you need.
- Pass mark
- 16 out of 20 correct (80%)
- Feedback
- Your score, the correct answers and short explanations when you finish
- Account
- Not needed. Your answers stay in this browser.
What this test covers
Hazmat classes and shipping papersMarking labeling placardingEmergency responseBulk packaging and tanksLoading and segregationHazmat driving and parking
Preview the first question
A motor carrier hands a loaded trailer to a railroad for the next part of the trip. What must the carrier note on the shipping paper?
- The names of all other carriers on the road
- The fuel type and the trailer's empty weight
- The trailer description and the kind of placard on it
- The driver's license number and the route taken
Answers are revealed on the results page after you finish.