CDL (Commercial Driver)
CDL Tank Vehicles (N) Practice Test 10
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
Surge and bafflesTank safety rulesTank inspectionDriving tank vehicles
Preview the first question
What is a smooth bore tank?
- A tank with many baffles inside
- A tank with nothing inside to slow the liquid
- A tank split into several compartments
- A tank that carries only dry bulk
Answers are revealed on the results page after you finish.