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

Free IL CDL Tanker Vehicles Practice Test 2024

Chicago is one of the largest transportation hubs in the United States. It is known for offering plenty of opportunities to truck drivers, but the Windy City also presents some challenges. Heavy traffic and tight urban spaces make it difficult for beginner drivers to navigate these roads, but improvement only comes with practice. Illinois also has many rural routes in the central and southern regions, where hauling agricultural products is common. These areas are less congested, but they may have fewer rest stops and services for truckers.

You must obtain a Tank Vehicles (N) Endorsement on your Commercial Driver’s License (CDL) if you want to drive tankers transporting liquids or gases in tanks whose individual capacity is larger than 119 gallons and whose aggregate capacity is at least 1,000 gallons. This endorsement is granted after passing a Tank Vehicles knowledge test. As you begin your learning journey, you will be introduced to the official 2024 CDL manual (Illinois CDL Handbook 2024). Every aspiring commercial driver must familiarize themselves with its content, but there are other online resources you can use also.

Our CDL Tanker Vehicles Endorsement practice test, specific to the state of Illinois, can help you pass the official Tank Vehicles knowledge test on your first attempt. It’s not magic, and there are no shortcuts. You must put in the effort necessary to master this subject, and we’re here to help you do it quickly. Consisting of 20 questions based on the CDL manual, each practice test has several features.

With unlimited attempts and no timer, you can begin training with this tool from your first day of studying. Since immediate feedback is provided after every question, you don’t have to worry about making mistakes during your first few attempts. We recommend recording the detailed explanation of each correct answer in a notebook, which you can use to memorize the meaning of each question. While there is no way to know which questions you’ll get in the Tank Vehicles knowledge test, you can prepare by consistently training with these practice tests.

  • Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements

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.

What to expect on the actual IL 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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