CDL (Commercial Driver)

CDL Doubles/Triples (T) Practice Test 2

Free — no payment neededPractice betaLevel: Mixed

20 original CDL Doubles/Triples (T) questions based on the federal motor carrier safety rules (49 CFR). Practice test, not affiliated with any government agency. Practice beta.

  • 20 questions
  • About 12 minutes · untimed
  • Pass mark 16 of 20 (80%)

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. Available in 2 languages (translations are machine-made and checked automatically).

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

Pulling doubles triplesInspecting doubles triplesCoupling doubles triples

Preview the first question

Because of braking characteristics of long combinations, what is a wise driving habit?

  • Follow closely behind trucks to save fuel
  • Leave extra following distance and brake early
  • Pull alongside other cars
  • Brake hard at the last moment to keep the trailers from swaying

Answers are revealed on the results page after you finish.

Back to CDL (Commercial Driver) tests

20 questions · ~12 minFree · Pass mark 80%