Class A Driving Test | North Dakota 2025 #2

Train for FREE online with our North Dakota class A license test. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a ND CDL class A permit in 2025, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that CDL class A requirements may vary from state to state.

Number of Question 50

Passing Score 40

Number of Tests 20

1 . At what psi is the safety valve set to open?

100 psi

150 psi

200 psi

500 psi

In an air brake system, the first tank that receives compressed air has a safety valve that releases air if the pressure gets too high. It is usually set to open at 150 psi. If the valve must open, there is a fault in the system that should be repaired by a mechanic.

2 . How many daily hours of sleep does an adult need to maintain alertness?

Six to seven

Seven to eight

Eight to nine

Four to five

Being properly rested is essential to the safe operation of a CMV. To maintain alertness, most people need seven to eight hours of sleep per night.

3 . If being tailgated, you should:

Drive in the left lane.

Drive in the right lane.

Speed up.

Drive on the shoulder.

You may be tailgated when you can't drive fast enough to keep up with other traffic. If a heavy load is slowing you down, stay in the right lane, if possible.

4 . The maximum legal width for any vehicle is:

6 feet.

7 feet, 4 inches.

8 feet, 6 inches.

9 feet, 8 inches.

In North Dakota, the total outside width of a vehicle is generally limited to 8 feet and 6 inches.

5 . When traveling with cargo, the cargo should be checked:

Only before the trip.

Before the trip and after the first 50 miles.

Only by loading personnel.

Only after arriving to the final destination.

Cargo should be inspected before beginning a trip, within the first 50 miles of the trip, and every three hours or 150 miles traveled thereafter. The driver of a truck transporting cargo is responsible for the cargo being safely secured throughout the trip.

6 . An underloaded front axle:

Is important for smooth steering.

Is encouraged as front axles are usually less strong than other axles.

Is discouraged as it can cause steering problems.

Is discouraged as it can improve fuel efficiency.

Underloading a front axle may make it impossible to safely steer your vehicle. Keep weight distribution in mind when loading cargo.

7 . Extremely hot temperatures can cause:

Tire failure.

A trailer to disengage.

Lights to malfunction.

Increased gas mileage.

Because air expands when hot, tire pressure increases as temperatures increase. This can sometimes result in tire failure. Consistently check your tire pressure when making a trip in hot weather.

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2025 North Dakota | Frequently Asked Questions

To acquire a CDL Tank endorsement in North Dakota, you must first have a Commercial Driver’s License (CDL). After that, study the tank vehicle section of the ND CDL manual, then take the written tank vehicle endorsement test at a North Dakota Department of Transportation office. Passing this test will give you the tank endorsement on your CDL.

To obtain a CDL Tank license, it's essential to have a Commercial Driver’s License (CDL) first. Then, you need to study and understand the tank vehicle section of the CDL manual. Finally, you must pass the written tank vehicle endorsement test at a Department of Transportation office in your state.

While specific training or experience isn't mandatory by law for a CDL Tank endorsement, it's highly recommended. Understanding how to handle large, often hazardous, liquids is crucial for safety. Studying the tank vehicle section of the CDL manual is a must. You'll also need to pass a written tank vehicle endorsement test at a Department of Transportation office.

Yes, to obtain a CDL Tank endorsement in North Dakota, you must pass a specific written knowledge test that covers the safe operation of a commercial tank vehicle. This test is in addition to the general CDL written exam. The endorsement test typically includes questions about inspecting tank vehicles, driving tank vehicles, and safe driving rules.

The written test for the CDL Tank endorsement covers a variety of topics specific to tank vehicles. These include inspecting tank vehicles, driving tank vehicles, and safe driving rules. It also covers aspects like the effects of liquid surge on handling, special considerations for loading and unloading, and understanding outage or ullage to prevent overfilling.

The CDL Tank endorsement assessment doesn't involve a specific skills or maneuvers test. However, the written test evaluates knowledge on handling liquid surge, driving tank vehicles safely, inspecting tank vehicles, and understanding how to load and unload. It's essential to be familiar with these aspects to pass the assessment.

Yes, drivers with a CDL Tank endorsement must adhere to specific rules and regulations. They must understand how to handle the high center of gravity in tank vehicles and the effects of liquid surge. They're also limited to driving only those commercial vehicles that a tank endorsement covers, and they must comply with all federal and state transportation regulations.

No, drivers cannot legally transport liquid or gas materials without a valid CDL Tank endorsement in North Dakota. This endorsement is specifically designed to ensure that drivers have the necessary knowledge and skills to transport these materials safely. Violating this requirement can result in severe penalties, including fines and suspension of the CDL.

Yes, you can add a CDL Tank endorsement to your existing commercial driver's license in North Dakota. You don't need to apply for a new license. However, you will need to pass the Tank Vehicle written test and pay the required fee. Always check with your local DMV for the most accurate information.

Yes, handling hazardous materials with a CDL Tank endorsement in North Dakota requires additional certification. Drivers must obtain a Hazardous Materials (HazMat) endorsement. This involves passing a written test and a TSA background check. These measures ensure the driver is knowledgeable and trustworthy to transport such materials safely.