Knowledge Test Class B #2
Class B Driving Test | North Dakota 2025 #2 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 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 B requirements may vary from state to state.
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22 . Axles that are a maximum of ____ apart are considered to be one axle.
40 inches
Axles that are 40 inches apart or closer are considered to be one axle.
23 . What is the maximum legal trailer length?
53 feet
In North Dakota, a trailer may be no more than 53 feet in length.
24 . During a basic vehicle control skills test, you may be asked to:
Pull forward into a parking space.
Maneuvers that may be included in the basic vehicle control skills test include straight line backing, offset back/right parking, offset back/left parking, driver side parallel parking, conventional parallel parking, and alley docking.
25 . While driving, if it is discovered a vehicle's ABS is not working, the driver should:
Use their parking brake to stop.
If an Anti-Lock Braking System (ABS) is not working, the vehicle's basic braking functions are still intact. The driver should continue to drive and brake in a normal fashion.
26 . To make driving at night easier, you should:
Use only your low beam headlights.
If the interior of your cab is too bright when you are driving at night, you may have difficulty seeing things outside. Keep the interior light off and adjust your instrument lights to the lowest possible level that still allows you to easily read the gauges.
27 . If you don't know if there is enough space for your vehicle to pass under a bridge, you should:
Drive on the shoulder.
If you can't tell if your vehicle will have room to fit under a bridge or other overhead object, you should slow down and find an alternate route, if possible.
28 . What is the maximum legal height for any vehicle?
16 feet
