North Dakota Tanker Endorsement Practice Test (ND) 2

4.9 out of 5 (62 votes)
80% Passing score
20 Questions
4 Mistakes allowed
Preparing for your ND CDL tanker endorsement test is crucial for safe and efficient driving on our roads. This North Dakota CDL practice test offers a comprehensive set of 20 questions tailored to help you master the unique challenges of driving tanker vehicles. Whether you're navigating through Fargo's Red River Valley or hauling loads near Bismarck, understanding how to manage liquid surge and maintain vehicle stability is essential. The permit practice test focuses on critical areas, including the management of liquid surge, which can be particularly tricky given the high center of gravity in tanker vehicles. This characteristic makes them more prone to tipping, especially on the winding roads you might encounter around Theodore Roosevelt National Park. By simulating real-world scenarios, the ND DMV practice test ensures you are well-prepared for these unique challenges. Each question on this North Dakota CDL tanker test is multiple choice, mirroring the format and phrasing of the actual DMV permit test. To pass, you'll need to answer at least 16 questions correctly, which equates to an 80% passing score. This authentic practice experience is designed to help you identify any knowledge gaps, allowing you to focus your studies more effectively. You can take the ND practice permit test multiple times to ensure you're fully prepared. In addition to technical knowledge, the North Dakota CDL tanker test emphasizes the importance of safety and emergency preparedness. You'll learn how to respond effectively to spills and leaks, ensuring you can handle emergencies that might arise, such as those during the bustling ND State Fair or the challenging winter driving conditions we often face. Remember, obtaining your tanker endorsement is just one step in getting your commercial driver's license. You'll also need to pass the general knowledge test. If you need to prepare for that as well, we offer a variety of general knowledge prep tests to support your journey.
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Sample North Dakota Tanker Test Questions

Question 1

Before loading, unloading, or moving a tank vehicle, what must you verify about the intake, discharge, and cut-off valves?

  1. A. They are clean and dry
  2. B. They are all open
  3. C. They are all closed
  4. D. They are positioned correctly

Correct answer: D. – They are positioned correctly

Before loading, unloading, or moving the vehicle, inspect the intake, discharge, and cut-off valves and confirm that each is positioned correctly. Also inspect the tank body, pipes, connections, and hoses for leaks. A tank vehicle must not be driven with open valves or manhole covers.

Source: North Dakota Commercial Driver License Manual (2025–2027) — § 8.1.1, “Leaks”, North Dakota Commercial Driver License Manual (2025–2027) — § 8.1.2, “Check Special Purpose Equipment”

Question 2

For the most stable handling, a vehicle's center of gravity should be kept:

  1. A. As high as practical
  2. B. As low as practical
  3. C. Near the rear of the vehicle
  4. D. Near the front of the vehicle

Correct answer: B. – As low as practical

A low center of gravity improves stability. A high center of gravity makes a vehicle top-heavy and more likely to tip over, especially in curves or during an evasive maneuver. Tank vehicles require added caution because their liquid loads are carried high and can move as the vehicle changes speed or direction.

Source: North Dakota Commercial Driver License Manual (2025–2027) — § 3.2.3, “Don’t Be Top-Heavy”, North Dakota Commercial Driver License Manual (2025–2027) — § 8.2.1, “High Center of Gravity”

Question 3

A baffled tank's internal partitions completely separate the liquid into sealed compartments.

  1. A. TRUE
  2. B. FALSE

Correct answer: B. – FALSE

Partitions inside a baffled tank have openings that allow liquid to flow through; they do not create fully separate, sealed compartments. Their purpose is to reduce forward-and-backward surge. Side-to-side liquid movement can still occur, so a baffled tank can still roll over if handled improperly.

Source: North Dakota Commercial Driver License Manual (2025–2027) — § 8.2.4, “Baffled Tanks”

Question 4

A CMV carries liquid in multiple attached tanks, each rated over 119 gallons. At what minimum combined rated capacity is a tank endorsement required?

  1. A. 500 gallons
  2. B. 1,000 gallons
  3. C. 1,500 gallons
  4. D. 2,000 gallons

Correct answer: B. – 1,000 gallons

Federal CDL regulations define a tank vehicle as a CMV designed to transport liquid or gas in attached tanks rated over 119 gallons each, with a combined rated capacity of at least 1,000 gallons. North Dakota applies this definition to the tank endorsement. The liquid or gas does not need to be hazardous material.

Source: North Dakota Commercial Driver License Manual (2025–2027) — Section 8, “Tank Vehicles”, 49 CFR § 383.5 — Definitions

Question 5

How should a tank divided into separate compartments by bulkheads be loaded?

  1. A. With most of the weight in the rear compartments
  2. B. Without placing too much weight at either the front or rear
  3. C. With most of the weight in the front compartments
  4. D. With most of the weight in the center compartments

Correct answer: B. – Without placing too much weight at either the front or rear

When a tank is divided into smaller compartments by bulkheads, the driver must pay attention to weight distribution during loading and unloading. Do not place too much weight at either the front or rear of the vehicle. The goal is balanced compartment loading rather than concentrating the load at one end.

Source: North Dakota Commercial Driver License Manual (2025–2027) — § 8.2.3, “Bulkheads”

Question 6

Which parts should be included when inspecting a tank vehicle?

  1. A. Intake, discharge, and cut-off valves
  2. B. Pipes, connections, and hoses
  3. C. Tank body, manhole covers, and vents
  4. D. All of the above

Correct answer: D. – All of the above

North Dakota's CDL manual identifies leaks as the most important tank-vehicle inspection concern. Check the tank body or shell, valves, pipes, connections, hoses, manhole covers, and vents. Covers must have gaskets and close correctly, and vents must remain clear so they function properly.

Source: North Dakota Commercial Driver License Manual (2025–2027) — § 8.1.1, “Leaks”

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