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    CT commercial driver's license

    Free CT CDL Tanker Vehicles Practice Test 2025

    • Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
    • Based on 2025 CT commercial driver's license manual
    • Updated for March 2025

    In Connecticut, anyone who wants to operate vehicles transporting liquids or gases in tanks whose individual capacity is larger than 119 gallons and whose aggregate capacity is at least 1,000 gallons must obtain a Tanker (N) endorsement on their Commercial Driver’s License (CDL). This endorsement is added to the CDL after passing a tanker endorsement knowledge test and a skills test in a vehicle of the license class you are applying for. If you plan to transport hazardous liquids or gases, you’ll need both the Tanker (N) and HazMat (H) endorsements, sometimes referred to together as an X endorsement.

    Practice makes perfect, and this principle also applies to the special skills needed to operate tank vehicles. As you log more hours behind the wheel of a tanker, you’ll naturally gain more experience. Nobody is born with excellent driving skills. While it is useful for singing or acting, a natural talent for hauling cargo across the states does not exist.

    It all starts in the learning phase, where aspiring commercial drivers build the foundation for their careers. During this time, you will study the official 2025 CDL manual (Connecticut CDL Handbook 2025) which explains this endorsement in detail. However, most students find the material too complex and difficult to study. As they search for more convenient alternatives, they find online resources to reinforce their freshly formed foundation.

    Our Connecticut DMV CDL Tanker endorsement practice tests can help you pass the knowledge exam on your first try. Train on them for several weeks, and you’ll naturally see how your score improves with more practice. It is recommended to disregard your score during your first few attempts when you are more likely to fail. A failing score shouldn’t discourage you at this early stage. Instead, you should pay attention to the detailed explanation provided after every question. Students love the immediate feedback feature because they don’t have to wait until the end of the test to identify their mistakes.

    There’s no limit on how often you can use our practice tests. With unlimited attempts, you can even create a daily routine revolving around training for the official written exam. Once you consistently obtain passing scores, you can take the official knowledge exam with the reassurance that the experience will be similar to your training sessions.

    4.71 out of 5 • 7 votes.
    6 min to complete
    Available in EN and ES
    Pass the first time,
    guaranteed with Premium

    All 650 exam-like questions
    specific to your state

    Interactive learning with
    AI personal tutor

    Unique 360° Virtual Road
    Simulations

    Get your money back if you
    don’t pass

    What to expect on the actual CT DMV exam

    20

    questions

    16

    correct answers to pass

    80%

    passing score

    More CT DMV Written Exam Resources

    1. CT CDL Tanker Vehicles Test (you are here)
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