Air Brakes #2
Air Brakes Endorsement Test | New Mexico 2026 #2 Page 4 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 2026, 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 . Some air brake systems introduce alcohol into the system to:
Some air brake systems contain an alcohol evaporator. An evaporator introduces alcohol into the system to help inhibit the formation of ice in cold weather.
20 . What can happen if the air pressure gets too low in an air brake system?
Pressing and releasing the brake pedal unnecessarily can let air out of the braking system faster than the compressor can replace it. Air brakes may cease to work effectively if the pressure becomes too low.
21 . If you are driving and the ABS light comes on, it means that the ABS:
ABS malfunction lamps indicate that something in the Anti-Lock Braking System is not working properly.
22 . When parked on a flat surface, you should:
When parking on a level surface, you should use wheel chocks. If the vehicle is not equipped with spring brakes, this is essential to prevent the trailer from moving.
23 . During an applied leakage test, the maximum leakage rate for a triple combination vehicle is ____ in a minute.
It is important to know the maximum air loss rate that is safe for your specific vehicle. A triple combination should have a leakage rate no higher than 6 psi in a minute during an applied leakage test.
24 . When leaving your vehicle unattended:
In general, you should always use the parking brake when parking your vehicle. However, you should not apply the parking brake if your brakes are very hot or if your brakes are wet and temperatures are below freezing.
25 . Brakes can get out of adjustment quickly, especially:
Brakes are particularly prone to getting out of adjustment if they are hot. Be sure to routinely check the adjustment of your brakes. For a vehicle to be safely controlled, all brakes must be properly functioning and adjusted.
See the exact questions that will be on the 2026 New Mexico DMV exam.
99.2% of people who use the cheat sheet pass the FIRST TIME
Lillian MCcranie explains how our CDL study guide was helpful in passing the exam and recommends it to everyone.
Cameron tells us how he purchased the CDL exam, and found it to be a useful tool which helped him pass the exam and find a job.
2026 New Mexico | Frequently Asked Questions
To secure a CDL Bus endorsement in New Mexico, you must first hold a valid Commercial Driver's License (CDL). Then, you need to pass the Passenger Vehicles endorsement written test. You also need to pass a skills test in the type of vehicle you plan to drive. Training and experience driving buses are highly recommended before taking these tests.
To obtain a CDL Bus License in New Mexico, you need a valid driver's license, pass a medical examination and vision test. Then, you must pass the General Knowledge test, the Passenger Transport test, and the School Bus Endorsement test. Lastly, you must successfully complete a road skills and driving examination in a bus. Training courses are highly recommended.
While specific experience or training is not legally required for a CDL Bus endorsement in New Mexico, it's highly recommended. Training can help you pass the required written and skills tests. Some employers may also require or prefer drivers with professional training or prior experience. Check with potential employers for their specific requirements.
CDL Bus licenses fall into three classes in New Mexico: Class A, Class B, and Class C. Class A doesn't typically apply to buses. Class B is for vehicles that can carry over 24 passengers, including the driver. Class C is for smaller vehicles carrying 16 to 23 passengers, including the driver. Each class requires different tests and endorsements based on the vehicle's size and type.
No, you cannot use your personal vehicle for the CDL Bus driving test in New Mexico. The vehicle you use for the test must match the class of CDL license you are applying for. In this case, you should take the test in a commercial bus. Some training schools provide vehicles for testing purposes.
During the CDL Bus driving test, you'll be evaluated on pre-trip inspections, basic vehicle control, and on-road driving. This includes checking safety equipment, demonstrating turns, stops, and starts, proper lane changes, following traffic signals, and safely navigating through traffic. The examiner will also check your ability to manage bus-specific tasks like loading/unloading passengers.
Yes, there are additional medical prerequisites for a CDL Bus endorsement in New Mexico. Applicants must pass a Department of Transportation (DOT) medical examination, which includes vision and hearing tests. The exam also evaluates physical abilities necessary for commercial driving, such as blood pressure levels, neurological function, and cardiovascular health.
No, it's not permissible to transport passengers without a valid CDL Bus endorsement in New Mexico. Operating a commercial vehicle designed to carry more than 16 passengers, including the driver, without the proper endorsement is illegal and can result in hefty fines, license suspension, or even jail time.
Yes, the CDL Bus endorsement can be added to your existing CDL. You don't need to apply for a new license. However, you will need to pass the passenger transport test and a skills test in a passenger vehicle. In some cases, depending on the size of the bus, you may also need a school bus endorsement.
Yes, there are restrictions for drivers with a CDL Bus endorsement in New Mexico. These include not having more passengers than the vehicle is designed to carry, maintaining a clean driving record, and adhering to specific federal regulations regarding rest periods and hours of service. Additionally, drivers are subject to random drug and alcohol testing.
