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.
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2025 New Mexico | Frequently Asked Questions
To acquire a CDL Tank endorsement in New Mexico, you need to pass the Tank Vehicle section of the New Mexico CDL test. You must also possess a valid New Mexico commercial driver's license (CDL). Studying the CDL manual and taking practice tests can help prepare you for the examination. Ensure to pay the required fees for testing and endorsement.
To obtain a CDL Tank license, you must hold a valid CDL. You'll need to pass the Tank Vehicle section of your state's CDL exam. Preparation involves studying your state's CDL manual, particularly the sections dedicated to tank vehicles. Also, ensure you meet any physical requirements and pay necessary fees for testing and obtaining the endorsement.
While specific training is not legally required to obtain a CDL Tank endorsement, it's highly recommended. Experience driving similar vehicles can be beneficial. You must pass the Tank Vehicle section of the CDL exam, so studying the CDL manual and taking practice tests will be crucial. Training can help you gain practical skills and knowledge to pass the exam.
Yes, to get a CDL Tank endorsement, you must pass the Tank Vehicle section of the CDL exam. This is an additional written test that covers specific knowledge related to operating tank vehicles, such as handling high center of gravity and inspecting tank vehicles. The test is separate from the general CDL exam and specific to your state's regulations.
The CDL Tank endorsement written test covers specific knowledge related to operating tank vehicles. Topics include: understanding bulk tanks, inspecting tank vehicles, driving tank vehicles (including high center of gravity handling), and safe loading and unloading procedures. The test is designed to ensure drivers can safely operate these types of commercial vehicles.
The CDL Tank endorsement doesn't involve a specific skills or maneuvers assessment. The endorsement is based on a written test only. However, the general CDL skills test, which you must pass prior to any endorsement tests, evaluates your ability to inspect your vehicle, basic control skills, and on-road driving, which would apply to tank vehicles as well.
Drivers with a CDL Tank endorsement must comply with federal and state-specific regulations for transporting hazardous materials. They must ensure the tank's weight does not exceed the vehicle's Gross Vehicle Weight Rating. Also, they must understand how to handle different liquid cargos safely, and know how to respond in case of emergencies or spills.
No, you cannot transport liquid or gas materials without a valid CDL Tank endorsement. The endorsement is required for drivers who operate commercial motor vehicles that are designed to transport any liquid or gaseous materials within a tank or tanks having an individual rated capacity of more than 119 gallons and an aggregate rated capacity of 1,000 gallons or more.
The CDL Tank endorsement can be added to your current CDL license without needing a fresh application. You'll need to pass the Tank Vehicle written test. Once you pass the test, the endorsement will be added to your existing CDL. Remember, fees may apply for adding endorsements.
Yes, specific regulations are in place for handling hazardous materials with a CDL Tank endorsement. In addition to the tank endorsement, you will need a Hazardous Materials (HazMat) endorsement. This requires passing a written test, a TSA background check, and adhering to stringent safety regulations due to the potential risks associated with transporting hazardous materials.
