CDL (Commercial Driver)
CDL Hazardous Materials (H) Practice Test 3
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 placardingHazmat classes and shipping papersBulk packaging and tanksLoading and segregationHazmat driving and parkingEmergency response
Preview the first question
A truck carries non-bulk packages from two categories of Table 2 materials needing different placards. What may the driver use instead of separate placards?
- A blank orange panel
- A POISON placard
- No placard at all
- A DANGEROUS placard
Answers are revealed on the results page after you finish.