Knowledge Test Class B #2
Class B Driving Test | New Mexico 2025 #2 Page 6 of 7
Train for FREE online with our New Mexico class B license 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 CDL class B permit 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 CDL class B requirements may vary from state to state.
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36 . When adjusting your mirrors before a trip:
When properly adjusted, your mirrors should each display some part of your vehicle. Being able to see your own vehicle in your mirrors will give you a point of reference when judging the positions of other objects.
37 . 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.
38 . In a vehicle with dual parking control valves, a separate air tank can be used:
In a vehicle with dual parking control valves, there is a separate air tank that can be used to temporarily release the spring brakes if they have been activated due to low air pressure. Pushing in the proper control will release the spring brakes for a short period of time, allowing the driver to move the vehicle in an emergency.
40 . When alley docking, you should first:
If you are asked to alley dock, you should first pull past the alley and stop your vehicle in a position that is parallel to the outer boundary. From there, you should back your vehicle entirely into the alley parking area. Your vehicle should be parked in a straight position within the boundaries of the parking space.
41 . Hanging meat as cargo is:
An operator should drive with care when transporting a cargo of hanging meat. Such a load is unstable, both because it has a high center of gravity and because the swinging of the meat can affect the driver's handling of the vehicle.
42 . When coming to a stop, you should apply the brake pedal by:
When stopping, you should push the brake pedal down gradually. Braking gradually will help you to maintain proper control of your vehicle.
See the exact questions that will be on the 2025 New Mexico DMV exam.
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2025 New Mexico | Frequently Asked Questions
To secure a CDL Doubles/Triples endorsement in New Mexico, you must first possess a valid New Mexico commercial driver's license (CDL). Then, you'll need to pass a written knowledge test specific to operating double/triple trailers. The test covers topics like coupling and uncoupling, inspecting doubles and triples, and handling. Once you pass the test, the endorsement is added to your CDL.
To obtain a CDL Doubles/Triples license, you must already have a Commercial Driver's License (CDL). You'll need to study for and pass a written knowledge test that covers specific aspects of driving double/triple trailers, such as inspecting the vehicles, coupling and uncoupling, and handling. After successfully passing the test, the endorsement will be added to your CDL.
While there's no specific requirement for specialized experience or training to get a CDL Doubles/Triples endorsement in New Mexico, it's highly recommended. This endorsement requires passing a written test about operating double/triple trailers, so studying the CDL manual or taking a training course can be beneficial to understand the nuances of handling these larger vehicles.
Yes, to get a CDL Doubles/Triples endorsement in New Mexico, you must pass a specific written knowledge test. This test covers topics such as how to couple and uncouple correctly, inspect doubles and triples, and the proper procedures for towing double/triple trailers. There's no additional driving test required beyond the standard CDL skills test.
The CDL Doubles/Triples endorsement test is a written examination, so there are no specific skills or maneuvers to showcase. The test assesses your knowledge on safety regulations, coupling and uncoupling, inspecting doubles and triples, and pulling double/triple trailers. It's important to study these areas thoroughly in preparation for the test.
No, it's not permissible to operate double or triple trailers without a valid CDL Doubles/Triples endorsement in New Mexico. Operating such vehicles without the necessary endorsement can result in severe penalties including fines, suspension of your CDL, or even jail time. Always ensure you have the proper endorsements for the type of vehicle you're operating.
You can append the CDL Doubles/Triples endorsement to your current commercial driver's license. You don't need to initiate a new application for a license. However, you will need to pass the specific written knowledge test for doubles/triples endorsement and pay any associated fees.
Yes, there are limitations for drivers holding a CDL Doubles/Triples endorsement. For instance, they must obey weight restrictions for double and triple trailers. Additionally, some states or cities may have restrictions on where and when double or triple trailers can be driven due to safety concerns. Always check local regulations before driving.
In New Mexico, a double trailer can't exceed 81.5 feet in length and 129,000 pounds in weight. For triple trailers, the maximum length is 105 feet and the weight can't exceed 110,000 pounds. These limits include the tractor and all trailers. However, specific routes may have additional restrictions or allowances. Always check local regulations before operating these vehicles.
Yes, drivers with a CDL Doubles/Triples endorsement must follow specific safety regulations. These include conducting pre-trip inspections, understanding how to couple and uncouple correctly, and knowing the special considerations for driving. These involve avoiding sudden movements, maintaining a safe following distance, and understanding the high rollover risk associated with these vehicles.
