Air Brakes #1
Air Brakes Endorsement Test | Minnesota 2024 #1 Page 2 of 4
Train for FREE online with our Minnesota CDL air brake 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 Class A/Class B driver license in 2024, 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 the requirements for CDL may vary from state to state.
25
20
20
7 . Where is the safety relief valve usually located?
On the dashboard
An air brake system's safety relief valve is located in the tank that is first to receive air from the compressor.
8 . What can happen if a parking brake is used in very wet weather when temperatures are below freezing?
The brakes may explode.
If you use the parking brakes when the weather is very wet and the temperature is below freezing, the brakes may become frozen, preventing the vehicle from moving.
9 . If the air pressure warning light comes on, you should:
Safely exit the roadway and stop.
If the low air pressure warning signals activate, it is essential that you bring the vehicle to a safe stop while you are still able to control the brakes.
10 . To find out if a vehicle that was built before 1998 has an Anti-Lock Braking System (ABS), you can:
If you are operating a vehicle built before 1998 and are unsure if the trailer has an Anti-Lock Braking System (ABS), you can check under the trailer for wheel speed sensors coming from the back of the brakes.
11 . If colors are being used to distinguish glad hands, which color is used for service lines?
Blue
When trailer air lines are color-coded, the service lines are generally blue and the emergency lines are generally red.
12 . The most common type of foundation brake used is the:
P-cam disc brake.
The most common type of foundation brake is an s-cam drum brake.
Search the best driving school in your neighbourhood
2024 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.
