Air Brakes Endorsement Test | New Mexico 2025 #2
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.
1 . An air compressor governor controls:
In an air brake system, the air compressor governor controls when the air compressor pumps air into the air storage tanks.
2 . Air pressure should build up in a single air system within:
In single air systems, air pressure should build from approximately 50 to 90 psi within three minutes.
3 . What do the two systems of a dual air brake system share?
Both systems in a dual air brake systems share a single air compressor. If the air compressor is damaged, neither system will be able to operate properly.
4 . What kind of brakes do most newer heavy-duty trucks use?
Most newer heavy-duty vehicles use dual air brake systems. A dual air brake system has two separate air brake systems which use a single set of brake controls.
5 . If the low air pressure warning signal comes on in a vehicle with air brakes, the driver should:
If the low air pressure warning signal comes on while you are operating a vehicle with air brakes, you should stop and safely park the vehicle as soon as possible. It is essential that you are able to stop safely while you still have some braking power remaining.
6 . What do air brakes use to make the brakes work?
Many large CMVs are equipped with air brakes. An air braking system uses compressed air to operate.
See the exact questions that will be on the 2025 New Mexico DMV exam.
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