Class A Driving Test | North Dakota 2025 #1 Page 5 of 7
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.
29 . To drive a commercial vehicle across state lines, a driver must be at least:
A driver must be at least 21 years old to be licensed to drive a CMV across state lines.
30 . What is a way to warn drivers behind you that you will be slowing down?
To alert drivers behind you that you plan to slow down, tap your brake pedal lightly a few times to make the brake lights flash.
31 . After the engine is started, warning lights and buzzers should all:
After the engine is started, the warning lights and buzzers should deactivate immediately. The charging circuit warning, oil, coolant, and Anti-Lock Braking System (ABS) lights should all turn off.
32 . The suspension system:
The suspension system holds up a vehicle and its load while keeping the axles in place. Faults in a vehicle's suspension system are extremely dangerous.
33 . What is the maximum legal trailer length?
In North Dakota, a trailer may be no more than 53 feet in length.
34 . What is the maximum legal length for a combination of three or four units?
In North Dakota, a combination of three or four units is limited to a total length of no more than 75 feet, including its load.
35 . Which of the following is not an indication of damaged brakes?
Potential problems to check for when inspecting brakes include cracked drums; shoes or pads with oil, grease, or brake fluid on them; and shoes that are missing, broken, or worn dangerously thin.
See the exact questions that will be on the 2025 North Dakota DMV exam.
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