Air Brakes #2
Air Brakes Endorsement Test | Minnesota 2025 #2 Page 4 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 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 the requirements for CDL may vary from state to state.
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19 . Service brakes should:
Before driving, you should always verify that your service brakes are in good working order. Testing the brakes before a trip allows you to locate any problems before you need to brake while on the road.
20 . In an empty combination vehicle, the stiff suspension springs and strong brakes will have:
An empty combination vehicle will come to a complete stop more slowly than a fully-loaded vehicle. With less weight in a trailer, the stiff suspension springs and strong brakes will have lower traction than they would if the vehicle carried more weight.
21 . A driver can rely on front wheel braking to work:
Front wheel braking is effective under all road conditions. It is unlikely that you will experience a front wheel skid, even on ice.
22 . Before driving a vehicle with air brakes, you should ensure that the ____ come on automatically when air pressure falls below 45 psi.
Before driving a vehicle with air brakes, you should ensure that the spring brakes come on automatically when air tank pressure falls to a level between 20 and 45 psi. You can do this by chocking the wheels and releasing air from the braking system by stepping on and off the brake pedal. Once the pressure levels drop to an unsafe level, the parking brake valve should pop out and spring brakes should come on.
23 . 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.
24 . 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.
25 . The service air line is often controlled by the foot brake and is attached to the ____ valves.
The service air line carries air and is controlled by either the foot brake or trailer hand brake. The service air line is attached to relay valves, which allow the trailer brakes to be applied quickly.
2025 Minnesota | Frequently Asked Questions
To acquire a CDL Passenger endorsement in Minnesota, you must first have a valid Minnesota CDL. Next, pass the written passenger vehicles test. Then, you must pass a skills test in a passenger vehicle similar to the one you'll be driving on the job. Finally, pay the necessary fees for your new endorsement.
To obtain a CDL Passenger license in Minnesota, you must be at least 21 years old, possess a valid Minnesota CDL, pass the written passenger vehicles test, and successfully complete a skills test in a passenger vehicle similar to the one you'll operate. You also need to have a clean driving record and pass a medical examination.
Yes, to secure a CDL Passenger endorsement in Minnesota, you must first have a basic CDL license. Then, you need to pass the passenger transport test. This requires knowledge of safety regulations, vehicle inspection, loading procedures, and emergency protocol. It's beneficial to gain experience driving similar vehicles or undertake training programs to enhance your skills and knowledge.
Yes, in addition to holding a valid Minnesota CDL, you must pass the written passenger vehicles test to secure a CDL Passenger endorsement. This test covers topics related to carrying passengers safely. After passing the written test, you must also pass a skills test in a passenger vehicle similar to the one you'll be driving.
During the CDL Passenger endorsement skills test, you'll need to demonstrate your ability to safely load and unload passengers, respond to emergency situations, conduct pre-trip vehicle inspections, manage on-road traffic scenarios, and execute safe turning, parking, and backing maneuvers in a passenger vehicle. The assessment ensures you can operate a passenger vehicle safely.
No, in Minnesota, it is illegal to transport passengers without holding a valid CDL with a Passenger endorsement. The Passenger endorsement is required for anyone operating a vehicle designed to carry 16 or more passengers, including the driver. Violating this requirement can result in penalties and potential loss of driving privileges.
You can add the CDL Passenger endorsement to your existing Commercial Driver's License (CDL). You don't need a new application for the CDL itself. You will, however, need to pass the passenger vehicles written test and skills test, as well as pay any associated fees for the endorsement.
Yes, there are restrictions. Drivers with a CDL Passenger endorsement must not have more than one license, must not have a suspended, revoked, or cancelled license. They must also meet the physical requirements set by the Federal Motor Carrier Safety Administration, including vision and hearing standards. Any violation of these rules may result in penalties or loss of the endorsement.
Yes, there are age-related prerequisites for acquiring the CDL Passenger endorsement in Minnesota. You must be at least 18 years old to drive a commercial vehicle within the state (intrastate), and at least 21 years old to drive a commercial vehicle across state lines (interstate), carry hazardous materials, or transport passengers.
With a CDL Passenger endorsement, you'll be eligible to operate a wide range of commercial passenger vehicles. This includes buses, shuttles, and any vehicle designed to transport 16 or more passengers, including the driver. The endorsement is crucial for jobs like city bus drivers, school bus drivers, and commercial bus drivers.