Knowledge Test Class A #2
Class A Driving Test | Minnesota 2025 #2 Page 7 of 7
Train for FREE online with our Minnesota 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 MN 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.
50
40
20
43 . What should happen before the air pressure in an air brake system tank falls below 55 psi?
The low air pressure warning signal must activate before the air supply pressure drops below 55 psi in the air tank. If the warning signal does not turn on when being tested during an inspection, the vehicle is not safe to drive.
44 . When entering a curve, you should:
Take the vehicle out of gear.
Always reduce your speed and downshift before entering a curve.
45 . Before starting down a hill:
To counteract the force of gravity, you should always slow down and shift into a lower gear before starting down a hill.
46 . If coolant has to be added to a system without a recovery tank, you should:
Wait for the engine to cool before adding coolant.
Before adding coolant to a system without a recovery or overflow tank, you must turn the engine off and wait until it cools. Use gloves or a thick cloth to protect your hands. To release the pressure seal, turn the radiator cap slowly to the first stop.
47 . Header boards are used to protect the driver from cargo in the event of a crash.
The function of a front-end header board (also called a "headache rack") is to protect the driver from being injured by moving cargo in the event of a crash or sudden stop.
48 . When approaching a railroad crossing, you should:
You should not rely solely upon the presence of warning signals, gates, or flaggers to alert you to the approach of a train. Be especially alert to approaching trains at crossings that are not controlled by gates or signals. At any railroad crossing, you should operate under the assumption that a train is coming.
49 . Water should be added to the compressed air in an air brake system to improve the effectiveness of the system.
Compressed air in an air brake system usually contains a certain amount of water and compressor oil. The water and oil can damage the brakes if left to accumulate in the system. Tanks must be drained regularly to remove this build-up.
50 . At dawn or dusk, it is helpful to drive with your lights turned on.
At times when visibility is low, you should turn your headlights on to the low beam setting. If you are having a difficult time seeing others, they are probably having a difficult time seeing you.
2025 Minnesota | Frequently Asked Questions
A CDL Class A license in Minnesota is defined as a commercial driver's license that allows the holder to operate any combination of vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more, provided the towed vehicle is heavier than 10,000 pounds. It typically covers vehicles like tractor-trailers, truck and trailer combinations, and tank vehicles.
A Class A CDL license in Minnesota allows the holder to operate several types of heavy vehicles. These include tractor-trailers, truck and trailer combinations, tank vehicles, and livestock carriers. The license permits driving any combination of vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 or more pounds, provided the towed vehicle exceeds 10,000 pounds.
To obtain a Class A CDL license in Minnesota, one must be at least 18 years old (21 for interstate travel), possess a valid Minnesota driver's license, pass a vision test, and successfully complete a general knowledge test. Additionally, applicants must pass skills tests in the vehicle type that the driver expects to operate. Medical examinations are also typically required.
In Minnesota, you must be at least 18 years old to apply for a Class A CDL for intrastate transport (within Minnesota only). However, federal regulations require drivers to be at least 21 years old to drive commercial vehicles across state lines (interstate transport) or to transport hazardous materials.
While not necessarily required, specific endorsements on a Class A CDL license can expand the types of vehicles you're allowed to drive and the cargo you can carry. These include T for Double/Triple Trailers, P for Passenger Vehicles, N for Tank Vehicles, H for Hazardous Materials, and S for School Buses. Each endorsement requires passing additional tests.
The Class A CDL skills test in Minnesota comprises three parts: pre-trip inspection, basic vehicle control, and on-road driving. The pre-trip inspection checks your ability to assess the condition of your vehicle. Basic vehicle control tests your skills in controlling the vehicle, and on-road driving evaluates your ability to drive safely in various road conditions.
Yes, limitations can be imposed on Class A CDL license holders in Minnesota. These are known as restrictions, and they limit the type of vehicle you can operate or require you to use certain equipment. Examples include 'E' for no manual transmission, 'K' for intrastate only, 'L' for no air brake equipped CMV, 'M' and 'N' for class of vehicle restrictions, and 'O' for no tractor-trailer CMV.
Yes, in Minnesota, the written Class A CDL test can be taken in several languages besides English. These include Spanish, Hmong, Vietnamese, Russian, and Somali. However, the state requires that all CDL holders be able to read and speak English well enough to converse with the general public, understand highway traffic signs and signals, respond to official inquiries, and make entries on reports and records.
Yes, Minnesota allows accommodations for the Class A CDL written test for individuals with disabilities. You need to make this request in advance when scheduling your test. Accommodations can include more time to take the test, a separate room, or having the test read aloud. However, all requests are subject to approval and must comply with federal regulations.
Yes, if you don't pass the Class A CDL written test in Minnesota, you can retake it. However, you must wait until the next day to do so. The state allows multiple attempts, but each retest requires a new fee. Remember to study thoroughly using the Minnesota Commercial Driver’s Manual before retaking the test.