Always signal before turning or changing lanes to ensure that other drivers are aware of your intentions.

Always use turn signals when changing lanes.

Only use turn signals if there is a vehicle next to them.

Not use a turn signal if a lane change is obvious.

A retarder is a device that helps to slow a vehicle, reducing the need for a driver to use the brakes. However, these devices can be noisy and are not permitted everywhere.

They may not be permitted everywhere.

They can help to slow a vehicle.

In an air brake system, a low air pressure warning signal must come on if air pressure in the tanks falls below 60 psi. This warning signal may come in the form of a light, a buzzer, or a wig wag.

When tank pressure falls below 60 psi.

When tank pressure falls below 120 psi.

When tank pressure falls below 60 psi.

When tank pressure falls below 10 psi.

When tank pressure falls below 5 psi.

When braking a vehicle equipped with an Anti-Lock Braking System (ABS), you should not brake any differently than you would if driving a vehicle with a different braking system.

Brake harder than you would with a different braking system.

Always apply the parking brake when leaving your vehicle unattended.

Only set the parking brake if the vehicle is parked on a slope.

Deflate the tires by 10 percent.

Double Triple Test | New Mexico 2025 #1 Page 2 of 3

Train for FREE with our New Mexico CDL double triple practice test online. 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 CDL double triple 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 DMV requirements may vary from state to state.

Number of Question 20

Passing Score 16

Number of Tests 20

Double Triple Test | New Mexico 2025 #1 Page 2 of 3

8 . When starting from a complete stop, a vehicle should:

9 . A driver should:

10 . What is a drawback of retarders?

11 . Trailers built before ____ are not required to have spring brakes.

12 . A low air pressure warning signal should activate:

13 . When braking with ABS, you should:

14 . When leaving a vehicle unattended, a driver should:

See the exact questions that will be on the 2025 DMV exam.

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