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  • Updated for December 2024
  • Based on 2024 ID commercial driver's license manual

Free ID CDL Tanker Vehicles Practice Test 2024

Idaho’s dairy and agricultural sectors rely heavily on tanker trucks to transport bulk liquids, especially milk, from farms to processing plants. After all, this state is one of the top dairy producers in the United States, and there’s a high demand for commercial drivers who hold a Tank Vehicles (N) endorsement on their Commercial Driver’s License (CDL).

The weather in the Gem State can pose challenges for beginner drivers who might not be familiar with the area. Heavy snowfall and icy roads create dangerous conditions during winter months, especially in the northern region. As a tanker driver, you must follow all safety protocols for handling liquid or gaseous cargo. That’s why the Tank Vehicles endorsement is granted only after passing a Tank Vehicles knowledge test, where a minimum score of 80% is required.

Initially, you’ll find all the necessary information in the official 2024 CDL manual (Idaho CDL Handbook 2024). This valuable resource is published by the Idaho Transportation Department (ITD), and it covers all aspects of commercial driving, including the Tank Vehicles endorsement. While you can certainly pass the official exam by memorizing this material, you might struggle with its complex content.

Aspiring tanker drivers who want to master this subject must expand their horizons and adopt a smarter approach. To save you the time and effort of looking for better alternatives, we offer a series of Idaho CDL Tank Vehicles endorsement practice tests. You can access them from anywhere, anytime, as long as you have an active internet connection. Each practice test has 20 questions based on the CDL manual. Unlike the official written exam, our practice tests do not have a timer, allowing you to analyze, research and reread each question before submitting an answer.

You shouldn’t pay attention to your test scores while you are still in the learning phase. But if you are not satisfied with the progress of an active session, you can press the designated restart button, which will wipe your progress and restart the session. To reduce similarities between each session, the order of the questions is randomized.

Commercial Driver's License
  • Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
  • Triple-checked for accuracy

What you need to know

6 min to complete
Available in EN and ES
Verified by Steven Litvintchouk, M.S., Chief Educational Researcher, Member of ACES. See our detailed commitment to accuracy and quality in our practice tests.
Ensuring the accuracy and quality of our program is paramount. Learn more about our rigorous standards in our Commitment to Accuracy article.

What to expect on the actual ID DMV exam

20

questions

16

correct answers to pass

80%

passing score

List of questions (classic view)

  1. Side-to-side surge can cause
  2. How does liquid surge affect the handling of a tanker?
  3. Hauling liquids in tankers requires special care for which of the following reasons?
  4. How would you expect a truck with a cargo tank that has baffles to handle on the road?
  5. A smooth bore tank is also known as
  6. Empty trucks
  7. A tank endorsement is required for certain vehicles that transport
  8. The best way to take a curve in a tanker is to slow to a safe speed before entering the curve and then _________ as you go through it.
  9. The liquid in a tank with baffles can still have what kind of surge?
  10. You should be very cautious when driving smooth bore tankers, especially when you are
  11. You should know the outage needed for the liquids you carry because
  12. When you load the small tanks of a cargo tank equipped with bulkheads, you should check the
  13. A baffled tanker is one with
  14. You are driving on a clear night. You must dim your headlights from high to low. You should adjust your speed so you can stop within
  15. When your cargo tank has baffles, what handling effect do you expect?
  16. The movement of the liquid in partially filled tanks is called
  17. When should the driver of a tanker that has lost its brakes use a truck escape ramp?
  18. You are driving a tanker truck. The front wheels begin to skid. Which of these is most likely to occur?
  19. An emergency forces you to stop your tanker quickly or crash. You should
  20. Which of these statements about tankers are true?
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