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

Free DC CDL Tanker Vehicles Practice Test 2024

Driving in District of Columbia comes with its own set of unique challenges. The urban environment rewards commercial drivers who are qualified in the transportation and delivery of cargo. However, navigating the densely populated streets and the heavy traffic can be demanding for beginners who are just starting their careers in commercial driving. Major highways such as Interstate 295 and Interstate 66 connect various neighborhoods and suburbs, but they often experience congestion. The areas around the Capitol and the White House become even more difficult to navigate during events or protests.

Nevertheless, the demand for tanker truck drivers in DC is quite high. Key sectors include petroleum distribution, chemical manufacturing, waste management and the food industry. To operate tankers in the capital of the United States, you’ll need a Tanker (N) endorsement on your Commercial Driver’s License (CDL). Additionally, you will also need a HazMat (H) endorsement if you plan on transporting hazardous liquids or gases such as gasoline, chlorine, propane or liquid oxygen.

Before you obtain these endorsements, you must complete Entry-Level Driver Training (ELDT) and Human Trafficking Awareness Training. We know how difficult this process can be for someone who is just getting started in their commercial driving career, but we are here to help you understand and fully master this subject. Initially, students begin by studying the official 2024 CDL manual (District of Columbia CDL Handbook). While it contains essential information on operating tankers, the complex content might be too difficult to understand.

That’s why we have created an efficient learning environment consisting of several CDL Tanker endorsement practice tests specific to District of Columbia. Students can take this smarter approach to learn more about this subject while actively training on a tool designed to closely resemble the official written exam. Consisting of 20 questions, these practice tests have no time limit, allowing students to move at their desired pace.

Our helpful automated assistant will be present during your training sessions. If you feel stuck on a difficult question, you can request a hint that nudges you in the right direction without revealing the correct answer. After each question, immediate feedback is provided, allowing students to identify their mistakes before the test ends.

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 DC 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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