A trailer may swing out and strike other vehicles if its wheels lock up. This is especially likely with lightly-loaded trailers.

The vehicle will maintain steering.

Alcohol impairment can begin with the first drink consumed. It is both illegal and dangerous to operate a motor vehicle while impaired by alcohol.

Only after several drinks have been consumed.

Retarders help to slow vehicles, reducing drivers' need to use brakes.

A device that prevents a vehicle from going too fast

A device that prevents a vehicle from being too loud

A device that improves a vehicle's gas mileage

A vehicle that lacks the proper placards for any hazardous materials on board may not be driven, except as necessary to protect life and property in an emergency.

May only be moved in an emergency.

May be driven if the cargo is not radioactive.

If a hazardous materials label will not fit onto a package, it may be placed on a tag that is securely attached to the package.

By being placed in a certain part of the trailer.

Incorrect coupling and uncoupling of combination vehicles can have extremely dangerous consequences.

Be sure that you are coupling correctly.

You can assume all vehicles are the same.

Be sure that you are coupling correctly.

Cracks in the mounting are acceptable.

Tank Endorsement Test | New Mexico 2025 #1 Page 2 of 3

Train for FREE with our New Mexico tank endorsement 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 tank 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 for issuing a CDL tank vehicle endorsement may vary from state to state.

Number of Question 20

Passing Score 16

Number of Tests 20

Tank Endorsement Test | New Mexico 2025 #1 Page 2 of 3

8 . When the wheels of a trailer lock up:

9 . The effects of alcohol are felt:

10 . A Class 1 hazardous material is:

11 . What is a retarder?

12 . An improperly placarded vehicle:

13 . If a package of hazardous materials is not large enough to hold a label, it should be labeled:

14 . When coupling:

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