Class A Driving Test | North Dakota 2025 #2 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 . 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.
30 . What is the maximum legal length for a single unit vehicle with two or more axles?
In North Dakota, a single unit vehicle with two or more axles, including its load, may be no more than 50 feet long.
31 . If feeling sleepy while driving, you should:
If you begin to feel sleepy while driving, the only safe response is to stop driving and get some sleep. Attempting to fight off exhaustion is dangerous and a major cause of fatal crashes. Stimulants are not a safe solution because they may help keep you awake but will not make you more alert. Once stimulants wear off, you will be even more tired than you were originally.
32 . The air compressor governor controls:
In an air brake system, the air compressor governor controls when the air compressor pumps air into the air storage tanks.
33 . A low air pressure warning signal should activate:
In an air brake system, a low air pressure warning signal must come on if air pressure in the tanks falls below 60 psi. This warning signal may come in the form of a light, a buzzer, or a wig wag.
34 . When preparing to drive in the winter, be sure to check:
Before driving during the winter, make sure to check your defrosting and heating equipment, coolant and antifreeze levels, wipers and washers, tire tread, tire chains, lights, reflectors, and exhaust system. Clear ice and snow from all windows, mirrors, hand holds, steps, deck plates, and radiator shutters. Make sure the winterfront is not closed too tightly.
35 . 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.
See the exact questions that will be on the 2025 North Dakota DMV exam.
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