CDL (Commercial Driver)
CDL Tank Vehicles (N) Practice Test 5
Free — no payment neededLevel: Mixed
20 original CDL Tank Vehicles (N) 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
Driving tank vehiclesTank safety rulesSurge and bafflesTank inspection
Preview the first question
How should you take a curve or ramp in a tank vehicle?
- Brake hard in the middle of the curve
- Speed up halfway through to stay stable
- Take it at exactly the posted speed limit for cars and trucks
- Slow down well before it and keep a steady speed
Answers are revealed on the results page after you finish.