Knowledge Test Class A #2
Class A Driving Test | New Mexico 2025 #2 Page 6 of 7
Train for FREE online with our New Mexico class A 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 A 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 A requirements may vary from state to state.
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36 . If air pressure drops to a level between ____, a visual low pressure warning signal should have already activated.
A visual low pressure warning signal should activate before air pressure drops to a level between 55 and 75 psi. This signal could be a light, a buzzer, or a wig wag.
37 . What kind of force do emergency brakes use?
Air brakes are really three different braking systems: the service brake, the parking brake, and the emergency brake. Emergency and parking brakes are applied with mechanical force.
38 . Wheel rims that have been welded should:
Wheels or rims that have had welding repairs are not safe to be used.
39 . When leaving your vehicle:
Parking brakes should be used whenever you park. If necessary, chock your wheels.
40 . When driving at night, you should do all of the following, except:
To ensure that you can see as well as possible, don't wear sunglasses when driving at night. If you wear eyeglasses, make sure they are clean and unscratched. Make sure you are rested and alert before driving at night.
41 . Regulations regarding commercial vehicle weight and load securement may vary from state to state. Regarding these regulations:
Federal, state, and local regulations governing commercial vehicle loads vary from place to place. Be sure that you are always aware of the laws for the state in which you are driving.
42 . If asked by a law enforcement officer to take a test to determine your blood alcohol concentration (BAC):
Most states have an Implied Consent Law, which means that by driving a vehicle on the state's roads, you have agreed to undergo a drug or alcohol test if a police officer asks you to do so. If you refuse to submit to a test, you will lose your operating privileges. Make sure you are aware of the laws for every state in which you drive.
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.