CDL (Commercial Driver)
CDL Combination Vehicles Practice Test 1
Free — no payment neededLevel: Mixed
20 original CDL Combination Vehicles 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 combinationsInspecting combinations
Preview the first question
A tiedown has a strong strap but a weak tensioner. What is the tiedown's working load limit?
- The lowest limit of any component or anchor point
- That of the tensioner, but only if the tensioner is metal
- The average of the strap's and the tensioner's limits
- That of the strap
Answers are revealed on the results page after you finish.