Practice Test GeeksCDL Tank Practice Test

CDL TANK Flashcards

60 study cards across 6 topic decks — every card built from a real CDL TANK practice question. No account or sign-up needed. Flip to reveal the answer and explanation, mark what you know, and drill what you don't.

CDL TANK exam key facts

  • Federal rules require a knowledge test for the Tank Vehicle (N) endorsement; the number of questions is set by each state. Source
  • To pass the CDL Tank Vehicle endorsement knowledge test, an applicant must correctly answer at least 80 percent of the questions. Source
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🎲 Mixed Deck — All CDL TANK Topics
100 cards sampled from every topic · the fastest way to find your weak spots
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Decks by Topic

Baffled and Compartmented Tanks
10 cards
Braking with Empty, Full, Partial Loads
10 cards
Cargo Surge
10 cards
Emergency Systems and Tank Regulations
10 cards
Grade, Curves and Load Handling
10 cards
Tank Types and Construction
10 cards

What Practice Test Geeks adds beyond an AI chat for CDL Tank

An AI chatbot can quiz you, but it can't reproduce the exam conditions or keep your record. Here you get:

  • A timed, full-length CDL Tank mock exam — 30 questions in 40 minutes with a 80% pass mark, modeled on the official exam's question count and time limit, followed by a score report broken down by exam domain.
  • A fixed CDL Tank question bank: the same test every attempt, so your score is comparable from one try to the next instead of changing with every regenerated quiz.
  • Progress saved on your device: completed tests, scores and missed questions stay in My Progress, so you can retake only what you got wrong.
  • A printable CDL Tank cheat sheet you can print or save as a PDF.
  • Free CDL Tank practice tests with the correct answer shown after each question.
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How this page was made: written with AI tools and published by Nathan Beja, founder of Practice Test Geeks, who is responsible for its content. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy

Sources & references

Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy

  1. dps.texas.gov — Eligibility · verified Nov 2026
  2. ecfr.gov — Eligibility, exam format, passing score · verified Nov 2026