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

Free CO CDL Tanker Vehicles Practice Test 2024

The trucking industry plays a critical role in Colorado’s economy, supporting several key sectors such as energy, agriculture, manufacturing, and retail. Connecting the Midwest to the West Coast, the Centennial State is a vital hub for transporting goods. Its diverse landscape ranges from flat plains to tall mountains, presenting both challenges and opportunities for truckers. During the winter months, the weather can bring a lot of snow on high-altitude highways. Advanced road-clearing technology, such as high-efficiency snowplows and de-icing systems, ensure that commercial drivers have safe passage even during winter storms.

As a commercial driver, you must fully master the controls of your vehicle. Whether you transport passengers or cargo, it is crucial to prioritize safety. If you want to operate a vehicle that carries liquid or gaseous materials in tanks whose individual rated capacity is over 119 gallons and whose aggregate rated capacity is 1,000 gallons or more, you must obtain a Tanker (N) endorsement on your Commercial Driver’s License (CDL). As you prepare for a commercial driving career, we’ll help you pass the Colorado CDL Tanker endorsement knowledge test. Covering safe handling of liquid cargo, special considerations for sloshing and surge, and emergency procedures, this test ensures that the N endorsement is granted exclusively to aspiring commercial drivers who don’t rush through the learning phase.

The knowledge test is based on the official 2024 CDL manual (Colorado CDL Handbook 2024). This manual contains essential information for anyone who wants to drive a tanker in Colorado, but most students find its content too complex and difficult to study. To increase your chances of success, we recommend adopting a smarter approach.

Our DMV CDL Tanker Endorsement practice tests, specific to the state of Colorado, are designed to help you pass the official knowledge exam on your first attempt. Updated for December 2024, these practice tests closely resemble the official written exam, allowing you to familiarize yourself with its content and format in advance.

Since our practice tests can also be used as an educational tool, we have omitted any timer. You can take as much time as you need before submitting an answer and proceeding to the next question. Each question has multiple answer options, but only one of them is correct, so you shouldn’t be overthinking your decision. Even if you make a mistake, our helpful automated assistant will provide a detailed explanation of the correct answer, allowing you to understand why your choice was incorrect.

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 CO 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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