Knowledge Test Class B #2
Class B Driving Test | New Mexico 2025 #2 Page 2 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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8 . For safety purposes, when should you turn off a retarder?
Retarders are mechanisms in some vehicles that help slow a vehicle and reduce the need for braking. However, using a retarder may cause wheels to skid when they have poor traction. Turn off retarders when traveling under wet, snowy, or icy conditions.
9 . Without engine oil:
It is essential that a vehicle's engine have adequate oil pressure. An engine can be destroyed rapidly if it is run without oil.
10 . When making a left turn, you should start the turn:
When making a left turn, you should wait until you reach the center of the intersection before actually beginning to turn. Due to off-tracking, the left side of your vehicle could hit another driver if you begin turning too early.
11 . If confronted by an aggressive driver, you should:
If confronted by an aggressive driver, don't let yourself be provoked by their actions or angry gestures. Do not risk provoking the other driver by making eye contact. Get out of their way if you can do so safely.
12 . When checking power steering hoses during a pre-trip inspection, you should look for:
When doing a pre-trip inspection on a vehicle with power steering, be sure to check the hoses, pumps, and fluid level. In particular, you should check the hoses for leaks.
13 . To ensure normal stopping power, drivers of vehicles equipped with a front brake limiting valve should:
Some older vehicles have front brake limiting valves with "normal" and "slippery" settings. Setting a brake limiting valve to "slippery" reduces the vehicle's stopping power, so a driver should make sure the valve is in its "normal" position. Front wheel braking has proven to be effective in all driving conditions.
14 . When applying for a hazardous materials endorsement, being found guilty of which of the following is a disqualifying offense?
Amongst other crimes, a felony conviction for arson will disqualify a person from obtaining, renewing, or transferring a hazardous materials endorsement.
2025 New Mexico | Frequently Asked Questions
A CDL Class B license in New Mexico is issued to drivers who operate commercial vehicles exceeding 26,000 pounds or towing vehicles not exceeding 10,000 pounds. This includes buses, dump trucks, tow trucks, or delivery trucks. It does not allow the operation of Class A vehicles but allows the holder to operate Class C vehicles if properly endorsed.
A Class B CDL license in New Mexico allows the holder to operate single vehicles with a gross vehicle weight rating (GVWR) of 26,001 pounds or more, or any such vehicle towing another not exceeding 10,000 pounds. This typically includes buses, dump trucks, straight trucks, and segmented buses.
To obtain a Class B CDL in New Mexico, you must be at least 18 years old (21 for interstate driving), possess a valid New Mexico driver's license, pass a vision test, and successfully complete both a knowledge test and a skills test. Additionally, you must provide proof of identity, residency, and social security number.
In New Mexico, to qualify for a Class B Commercial Driver's License (CDL), you must be at least 18 years old. However, if you plan to drive commercially across state lines (interstate commerce), federal regulations require that you be at least 21 years old.
While not necessarily required, specific endorsements can be added to a Class B CDL based on the type of vehicle you plan to drive or the cargo you plan to transport. Endorsements include passenger, school bus, tanker, hazardous materials (HazMat), and double/triple trailers. Each endorsement requires passing a specific knowledge test and sometimes a skills test.
The Class B CDL skills assessment in New Mexico includes three parts: pre-trip vehicle inspection, basic vehicle control, and on-road driving. Applicants must demonstrate their ability to inspect their vehicle, control the vehicle at low speeds, and drive safely in typical traffic situations, including turns, intersections, railway crossings, and various types of roadways.
Yes, there are limitations for Class B CDL license holders in New Mexico. They are authorized to drive single vehicles with a gross vehicle weight rating (GVWR) of 26,001 pounds or more, or any such vehicle towing another not in excess of 10,000 pounds. They cannot drive a vehicle that falls under the Class A CDL category.
Yes, in New Mexico, it is possible to take the written Class B CDL test in Spanish. However, federal regulations require that all CDL drivers must be able to read and speak English sufficiently to converse with the general public, understand highway signs and signals, respond to official inquiries, and make entries on reports and records.
Yes, in New Mexico, you can request accommodations for the Class B CDL written exam if you have a disability. These accommodations are designed to provide equal access to the Motor Vehicle Division services. However, you must provide appropriate documentation of your disability and specify the type of accommodation needed when scheduling your exam.
Yes, you can retake the Class B CDL written test if you don't pass on your first attempt. New Mexico requires a waiting period of at least one day before retesting. Additionally, retesting may involve an additional fee. It's recommended to review the CDL manual and consider additional study or training before retaking the test to increase your chances of passing.