Air Brakes #2
Air Brakes Endorsement Test | New Mexico 2025 #2 Page 3 of 4
Train for FREE online with our New Mexico 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 NM 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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13 . What does an air compressor do in an air brake system?
In an air brake system, the air compressor pumps air into the air storage tanks. The air compressor is controlled by the air compressor governor.
14 . If the low air pressure warning signal comes on, you should:
If the low air pressure warning signal comes on while you are driving a vehicle with air brakes, you should immediately bring the vehicle to a safe stop while you are still able to control the brakes. Inspect and repair the brakes as soon as possible.
15 . The parking brake in a newer vehicle is applied by:
In newer vehicles with air brakes, the parking brake is controlled by a yellow, diamond-shaped knob. The driver should pull the knob outward to apply the parking brakes and push the knob inward to release them.
16 . During an applied leakage test, the maximum leakage rate for a double combination vehicle is ____ in a minute.
It is important to know the maximum air loss rate that is safe for your specific vehicle. A double combination vehicle should have a leakage rate no higher than 4 psi in a minute during an applied leakage test.
17 . During an inspection, slack adjusters on S-cam brakes should not move more than:
Check each slack adjuster after parking on level ground, setting wheel chocks, and disengaging the parking brake. Pull the slack adjusters to make sure they do not move more than about one inch from where the push rod is attached. If they move more than one inch, they may be out of adjustment and will need to be fixed.
18 . The air storage tanks:
The air storage tanks in an air brake system store compressed air to be used for braking. They hold enough air for the brakes to still be used several times if the compressor stops working.
2025 New Mexico | Frequently Asked Questions
To acquire a CDL Passenger endorsement in New Mexico, you must first possess a valid New Mexico CDL. Then, pass the Passenger Transport Test, which covers the special rules and skills necessary for safely transporting passengers. You may also need to pass a skills test in a vehicle similar to the one you'll be driving.
To obtain a CDL Passenger license, you must have a valid CDL and be at least 21 years old. You'll need to pass the Passenger Transport written test, which covers topics like vehicle inspection, loading/unloading passengers, and emergency procedures. In some cases, a skills test in a passenger vehicle may also be required.
While New Mexico doesn't mandate specific training for a CDL Passenger endorsement, it's highly recommended. Training can help you prepare for the Passenger Transport Test and any required skills tests. Experience driving similar vehicles can also be beneficial. However, the key requirement is passing the relevant written and skills tests.
Yes, to secure a CDL Passenger endorsement in New Mexico, you'll need to pass the Passenger Vehicles endorsement written test. This test covers topics such as vehicle inspection, loading/unloading procedures, managing passengers, and emergency situations. It's designed to ensure you have the necessary knowledge to safely operate a passenger vehicle.
During the CDL Passenger endorsement assessment, you'll need to showcase skills such as pre-trip vehicle inspection, safe driving practices, proper use of mirrors, executing turns and stops smoothly, and emergency procedures. You'll also need to demonstrate understanding of special rules for buses, including loading/unloading passengers safely and securing wheelchair lifts.
No, you cannot legally transport passengers without a valid CDL Passenger endorsement in New Mexico. This endorsement is required by law for drivers who wish to operate a commercial vehicle designed to carry 16 or more passengers, including the driver. Driving without the necessary endorsement can lead to severe penalties.
Yes, you can add the CDL Passenger endorsement to your existing commercial driver's license. You don't need a new application. However, you must pass the Passenger Vehicles endorsement written test and a skills test in a passenger vehicle. It's recommended to check with the New Mexico Motor Vehicle Division for specific procedures and requirements.
Yes, there are specific restrictions for drivers with a CDL Passenger endorsement in New Mexico. Drivers are required to obey all standard traffic laws and additionally, they must not tow trailers. They're also responsible for the safety of passengers, ensuring seat belt use, and managing conduct. Overloading or operating the vehicle in a reckless or negligent manner is strictly prohibited.
Yes, there are age-related prerequisites for acquiring the CDL Passenger endorsement in New Mexico. Applicants must be at least 21 years old to drive a commercial vehicle across state lines or carry hazardous materials. However, those who are 18 years or older can obtain a CDL for in-state driving (intrastate) only.
With a CDL Passenger endorsement in New Mexico, you'll be authorized to operate a range of passenger vehicles. These include buses, shuttle vans, and other vehicles designed to carry 16 or more passengers, including the driver. This endorsement is crucial for jobs like city bus drivers, school bus drivers, and commercial bus drivers.