Knowledge Test Class B #1

Class B Driving Test | North Dakota 2025 #1 Page 5 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.. Read More

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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29 . Emergency equipment, such as a fire extinguisher, is:

Only required when transporting passengers. All commercial motor vehicles are required to be equipped with the proper emergency equipment. This may include spare electrical fuses; three red reflective triangles, six fuses, or three liquid burning flares; and at least one properly charged and rated fire extinguisher.

30 . When changing lanes, you should:

Never use the right lane. Always change lanes slowly and smoothly. If you did not see drivers who are already using the lane you wish to occupy, this will give them a chance to get out of your way or honk their horns to alert you. Always signal before changing lanes.

31 . During a trip, which of the following does not need to be checked regularly?

Seat cushion During a trip, you should regularly monitor the instruments, gauges, meters, and mirrors. Check the tires, cargo, and lights for signs of trouble.

32 . Extremely hot temperatures can cause:

Increased gas mileage. Because air expands when hot, tire pressure increases as temperatures increase. This can sometimes result in tire failure. Consistently check your tire pressure when making a trip in hot weather.

33 . Pressing and releasing the brake pedal unnecessarily can:

Create a loud noise. On a vehicle with air brakes, pressing and releasing the brake pedal unnecessarily may let air out of the braking system faster than the compressor can replace it. This may cause the system's air pressure to become too low and the brakes to stop working.

34 . The air compressor governor controls:

The speed of the vehicle. In an air brake system, the air compressor governor controls when the air compressor pumps air into the air storage tanks.

35 . When asked about the vehicle's oil during the vehicle inspection test, you must be able to do all of the following, except:

Show that the oil level is below the refill mark. During the vehicle inspection test, you must be able to indicate where the oil dipstick is located; show that the oil level is within a safe operating range; and show that the oil level is above the refill mark.

See the exact questions that will be on the 2025 North Dakota DMV exam.

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See the exact questions that will be on the 2025 North Dakota DMV exam.