Knowledge Test Class B #1
Class B Driving Test | North Dakota 2026 #1 Page 4 of 7
Train for FREE online with our North Dakota class B 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 B permit in 2026, 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 B requirements may vary from state to state.
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22 . If a truck's Anti-Lock Braking System (ABS) is not working:
The truck will lack brakes on its left side.
If an ABS system fails, the vehicle will still have normal braking function. The driver should continue to drive and brake as they normally would.
23 . An Anti-Lock Braking System (ABS):
Should only be used if all axles have ABS.
Anti-Lock Braking Systems (ABS) are compatible with air braking systems. ABS helps maintain control of a vehicle and prevents the wheels from locking up during hard braking on slippery surfaces. ABS can still provide benefits even if is present on only one axle.
24 . A thin layer of ice that forms on road surfaces is called:
Blue ice.
Black ice is a thin layer of ice that is clear enough for the road surface to be seen through it. A road covered in black ice may look like it is merely wet. You should be very careful when temperatures are below freezing and the road looks wet.
25 . If one air system in a dual air brake system is very low on pressure:
Lights on the outside of the tractor will flash.
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.
26 . Dollies equipped with ABS are required to have malfunction lamps located where?
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.
27 . When using your mirrors, you should frequently look at your tires to:
Get a sense of the size of the tire in relation to other vehicles.
Check your tires regularly when looking in your mirrors. This helps ensure that you will notice a tire fire, if one should happen. Tire fires may occur when a tire is under-inflated, if dual tires are touching, or if the tires are otherwise overheated.
28 . Friction inside a brake drum is caused when the brake shoes and linings:
Create excess heat.
Friction inside a brake drum is caused when the brake shoes and linings push against the inside of the drum. The friction in the drums will slow and stop the vehicle.
2026 North Dakota | Frequently Asked Questions
To secure a CDL Bus endorsement in North Dakota, you must first hold a valid Commercial Driver's License (CDL). Then, you need to pass a Passenger Vehicles endorsement test which includes topics like vehicle inspection, loading and trip start, on the road driving, after-trip vehicle inspection and prohibited practices. Lastly, you must pass a skills test in a passenger vehicle.
To obtain a CDL Bus license in North Dakota, you must be at least 18 years old, possess a valid driver's license, and pass a vision test. You'll also need to pass a general knowledge test, a passenger transport test, and a skills test that includes pre-trip vehicle inspection, basic vehicle control, and on-road driving. Additionally, you must pass a medical examination.
In North Dakota, specific training for a CDL Bus endorsement is not mandated by law, but it's highly recommended. This training typically covers vehicle inspection, safe operation practices, and emergency procedures. Also, many employers require some experience driving similar vehicles. Practical experience is necessary to pass the skills test, which includes pre-trip inspection, basic vehicle control, and on-road driving.
CDL Bus licenses fall under Class B or Class C. Class B is for vehicles designed to transport 24 passengers or more, including the driver. Class C is for vehicles designed to carry 16 to 23 passengers, including the driver. Each class requires different tests and endorsements. For instance, a School Bus (S) endorsement is needed to drive a school bus, while a Passenger (P) endorsement is needed for transporting passengers.
No, you cannot use your personal vehicle for the CDL Bus driving test in North Dakota. The vehicle you use for the test should represent the type of vehicle you plan to drive once you receive your CDL. Therefore, it should be a commercial bus similar to the one you'll be operating.
During the CDL Bus driving test in North Dakota, the examiner will evaluate skills such as pre-trip vehicle inspection, basic vehicle control, and on-road driving. You may be asked to perform maneuvers like backing up, making sharp turns, stopping at controlled intersections, merging into traffic, and navigating through railroad crossings.
Yes, there are additional medical prerequisites for a CDL Bus endorsement. Applicants must pass a Department of Transportation (DOT) physical examination every 24 months. The examination evaluates vision, hearing, blood pressure, and checks for diabetes and other potential health conditions. The results are reported on a Medical Examination Report Form, which must be submitted to the North Dakota Department of Transportation.
No, it's not permissible. In North Dakota, driving a commercial vehicle designed to transport 16 or more passengers, including the driver, without a valid Commercial Driver's License (CDL) with a passenger (P) endorsement is illegal. Violating this can result in serious penalties including fines and suspension of your driving privileges.
Yes, the CDL Bus endorsement can be added to your existing CDL in North Dakota. You will need to pass the Passenger Transport Test and a skills test in a passenger vehicle. However, you don't need to apply for a new CDL. Remember to bring your current CDL and the appropriate fee when you go for your test.
Yes, there are restrictions for drivers with a CDL Bus endorsement in North Dakota. Drivers must not have more than one license, must be at least 21 years old for interstate driving, and must pass a physical examination every 24 months. Additionally, drivers are required to obey all traffic laws and regulations and maintain a clean driving record.