CDL (Commercial Driver)
CDL Hazardous Materials (H) Practice Test 12
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
Marking labeling placardingLoading and segregationHazmat driving and parkingBulk packaging and tanksEmergency responseHazmat classes and shipping papers
Preview the first question
A truck using a DANGEROUS placard has 1,000 kg (2,205 pounds) of one Table 2 category loaded at one facility. What must be done?
- Apply the specific placard for that category
- Keep only the DANGEROUS placard
- Remove all placards
- Add a RADIOACTIVE placard
Answers are revealed on the results page after you finish.