Air Brakes Endorsement Test | North Dakota 2024 #1

Train for FREE online with our North Dakota CDL air brake 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 Class A/Class B driver license in 2024, 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 the requirements for CDL may vary from state to state.

Number of Question 25

Passing Score 20

Number of Tests 20

1 . Emergency brakes are:

Not required on trucks.

Only required on trailers.

Required on tractors.

Only required when transporting hazardous materials.

All trucks, truck tractors, and buses must be equipped with emergency brakes and parking brakes.

2 . The safety valve located on the first tank opens:

Regularly.

If there is too little pressure.

If there is too much pressure.

After every stop.

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.

3 . In a vehicle with dual air brakes, what happens if one system is low on pressure?

The air from the other system will be used to supplement the system with the low pressure.

The front or rear brakes may not work properly.

All brakes will be inoperable.

The low system will use an auxiliary system to fill the tank.

In a dual air brake system, if one of the air systems gets very low on pressure, either the front or rear brakes will not be operating fully. You should bring your vehicle to a safe stop and have the air system repaired.

4 . Dollies equipped with ABS are required to have malfunction lamps located where?

On the rear

On the left side

On the front

On the top

A dolly equipped with an Anti-Lock Braking System (ABS) is required to have a yellow malfunction lamp located on its left side.

5 . To inspect slack adjusters on S-cam brakes, you need to:

Park on a hill and test the brakes.

Put on gloves and push in the slack adjusters.

Remove the drum and look inside.

Chock the wheels and disengage the parking brake.

Check each slack adjuster after parking on level ground, setting wheel chocks, and disengaging the parking brake. Pull the slack adjusters to make sure they do not move more than about one inch from where the push rod is attached. If they move more than one inch, they may be out of adjustment and will need to be fixed.

6 . Braking mechanisms are located ____ a brake drum.

Outside

Inside

Next to

On top of

Drum brakes are attached to the wheels and located on the axles of a vehicle. The braking mechanisms that cause the vehicle to stop can be found inside of a drum brake.

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2024 North Dakota | Frequently Asked Questions

A CDL Class A license in North Dakota is a commercial driver's license that allows the holder to operate any combination of vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more, provided the towed vehicle is heavier than 10,000 pounds. It's typically used for driving tractor-trailers, truck and trailer combinations, or tank vehicles.

A Class A CDL license allows the holder to operate a variety of large vehicles. These include tractor-trailers, truck and trailer combinations, livestock carriers, and flatbeds. Additionally, it permits the operation of vehicles towing over 10,000 pounds such as large trailers, mobile homes, and more. Remember that endorsements may be required for specific types of vehicles.

To obtain a Class A CDL license in North Dakota, you must be at least 18 years old (21 for interstate driving), possess a valid North Dakota driver's license, and pass a vision test. You must also pass a written knowledge test and a three-part skills test, which includes pre-trip vehicle inspection, basic vehicle control, and on-road driving. Medical examinations may also be required.

To qualify for a Class A CDL license in North Dakota, you must be at least 18 years old for intrastate driving (within North Dakota only) and at least 21 years old for interstate driving (across state lines). You also need to pass both written and skills tests.

Specific endorsements aren't required for a Class A CDL license, but they can expand your driving privileges. Endorsements include: H for hazardous materials, N for tank vehicles, P for passenger vehicles, S for school buses, and T for double/triple trailers. Each endorsement requires passing additional tests. Having these can increase job opportunities and versatility as a driver.

The Class A CDL skills test in North Dakota encompasses three parts: a pre-trip vehicle inspection to test your ability to assess the condition of your vehicle, a basic vehicle control test to evaluate your control over the vehicle in various situations, and an on-road driving test to assess your practical driving skills under typical road conditions.

Yes, there are limitations for Class A CDL license holders. Some include: you must be 21 years old to drive across state lines or transport hazardous materials. Additionally, specific endorsements may be required for certain types of vehicles. Also, all CDL drivers are subject to stricter blood alcohol content regulations compared to non-commercial drivers.

No, in North Dakota, the written test for a Class A CDL is only offered in English. This is because federal regulations require that all commercial drivers be able to read and understand English to ensure safety on the roads.

Yes, you can request accommodations for the Class A CDL written test if you have a disability. The North Dakota Department of Transportation provides aids and services to people with disabilities to communicate effectively. It's recommended to contact your local testing center ahead of time to discuss your specific needs and arrange suitable accommodations.

Yes, if you don't pass the Class A CDL written test in North Dakota, you can retake it. There's a waiting period of at least one day before you can retake the test. Each retest requires an additional fee. It's advised to study the CDL manual thoroughly before attempting the test again to increase your chances of passing.