Knowledge Test Class B
This license is required for driving a single vehicle with a GVWR of more than 26,001 pounds, and a trailer not to exceed 10,000 pounds gross vehicle weight rating, or a vehicle designed to transport 24 or more people (including the driver). To receive this license, applicants must pass a 50-question test. To pass, applicants must answer 40 questions correctly. Each question has three possible answer choices. Test questions come from the New Mexico Commercial Driver License Manual. Questions come from chapters covering: Introduction, Driving Safely, Transporting Cargo Safely, Air Brakes (if applicable), Pre-Trip Vehicle Inspection Test, Basic Vehicle Control Skills Test and On-Road Driving.. Endorsements that may be used with a Class B CDL are: Hazardous materials, Tank, Passenger, HazMat and Tank, Air Brakes and School bus.
29. When driving, mirrors should be used:
It is essential that you are aware of what is surrounding your vehicle at all times. You should make a habit of regularly checking your mirrors while driving.
30. When starting your vehicle, the coolant temperature should:
Watch the gauges in your vehicle before starting a trip. After starting your vehicle's engine, the coolant temperature should begin a gradual rise to the normal operating range.
31. Before driving a vehicle with air brakes, you should ensure that the ____ come on automatically when air pressure falls below 45 psi.
Before driving a vehicle with air brakes, you should ensure that the spring brakes come on automatically when air tank pressure falls to a level between 20 and 45 psi. You can do this by chocking the wheels and releasing air from the braking system by stepping on and off the brake pedal. Once the pressure levels drop to an unsafe level, the parking brake valve should pop out and spring brakes should come on.
32. If planning to stop on the road to unload cargo, you should:
You should tap your brakes and flash your brake lights to warn other drivers any time you plan to slow or stop where other drivers may not expect you to do so. Use this technique when stopping on the road to unload cargo or passengers.
33. Distracted driving:
Distractions while driving can be physical (such as reaching for an object), mental (such as making conversation with a passenger), or both (such as holding a phone to send texts). Strategies to help you avoid distracted driving include pre-programming radio stations; planning out your route in advance; avoiding complex or emotionally taxing conversation while driving; adjusting your mirrors before setting out; and not eating, drinking, or smoking while behind the wheel.
34. Dual tires should:
When inspecting a vehicle, you should verify that your dual tires do not come into contact with one another, or with any other part of the vehicle.
35. When checking your mirrors:
Regularly check mirrors on both sides of your vehicle while driving. It is important to be aware of what is happening behind and to the sides of your vehicle.
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Frequently Asked Questions
Here are the steps to obtain a Class B CDL license in New Mexico:
1. Obtain a New Mexico Commercial Driver's Manual from your local Motor Vehicle Division (MVD) office or download it from the MVD website.
2. Meet the eligibility requirements: You must be at least 18 years old to obtain a Class B CDL license in New Mexico. However, you must be at least 21 years old to operate a commercial vehicle across state lines or transport hazardous materials.
3. Obtain a New Mexico commercial learner's permit (CLP): You must pass a written knowledge test and vision screening to obtain a CLP. The CLP allows you to practice driving with a qualified commercial driver's license holder.
4. Practice driving: You must complete at least 10 hours of behind-the-wheel training with a qualified instructor before taking your skills test.
5. Schedule and pass the skills test: You must pass a three-part skills test that includes pre-trip inspection, basic control skills, and on-road driving.
6. Pay the required fees: The fees for obtaining a Class B CDL license in New Mexico vary depending on the type of license you are applying for.
7. Submit the required documentation: You must provide proof of identity, residency, and Social Security number when you apply for your Class B CDL license.
Once you have obtained your Class B CDL license in New Mexico, you must renew it every four years and pass a medical examination every two years to maintain your license.
1. Single vehicles with a weight rating of 26,001 pounds or more.
2. Combination of vehicles with a total weight rating of 26,001 pounds or more, if the towed vehicle(s) weigh less than 10,000 pounds.
3. Buses with a maximum seating capacity of 24 passengers or more (including the driver).
4. School buses with a maximum seating capacity of 24 passengers or less (including the driver) and transporting hazardous materials or carrying more than 15 passengers (including the driver).
Examples of vehicles that you can operate with a Class B CDL license include:
1. Dump trucks
2. Delivery trucks
3. Tow trucks
4. Box trucks
5. Straight trucks
6. Cement mixers
7. Tour buses
8. City transit buses
It's important to note that if you plan to operate a vehicle that requires an endorsement, such as a passenger endorsement or hazardous materials endorsement, you'll need to obtain those endorsements in addition to your Class B CDL license.
1. Age: You must be at least 18 years old to obtain a Class B CDL license in New Mexico. However, you must be at least 21 years old to operate a commercial vehicle across state lines or transport hazardous materials.
2. Driver's License: You must have a valid New Mexico driver's license.
3. Medical Certification: You must pass a medical examination and obtain a medical certificate from a certified medical examiner to prove that you are physically fit to operate a commercial vehicle.
4. Knowledge Test: You must pass a written knowledge test that covers topics such as driving safely, vehicle inspection, and transporting cargo.
5. Skills Test: You must pass a three-part skills test that includes a pre-trip vehicle inspection, basic control skills test, and an on-road driving test.
6. Background Check: You'll need to undergo a background check and disclose any previous criminal convictions, including traffic violations.
7. Fees: You'll need to pay the required fees for obtaining your Class B CDL license.
It's important to note that if you have any endorsements on your CDL license, such as a passenger endorsement or hazardous materials endorsement, you'll need to meet additional requirements and pass additional tests.
In New Mexico, the following endorsements are available for Class B CDL license holders:
1. Passenger Endorsement: If you plan to operate a commercial vehicle designed to transport 16 or more passengers (including the driver), you'll need to obtain a passenger endorsement.
2. School Bus Endorsement: If you plan to operate a school bus with a seating capacity of 24 passengers or less (including the driver), you'll need to obtain a school bus endorsement.
3. Tanker Endorsement: If you plan to transport liquid or gaseous materials in a tank vehicle, you'll need to obtain a tanker endorsement.
4. Hazardous Materials Endorsement: If you plan to transport hazardous materials, you'll need to obtain a hazardous materials endorsement.
To obtain an endorsement, you must pass additional knowledge and skills tests related to the type of vehicle or cargo you plan to transport. You may also be required to undergo additional background checks and meet specific age and experience requirements.
1. Pre-trip Vehicle Inspection: You'll be asked to perform a complete inspection of your vehicle to ensure that it is safe to operate. You will be tested on your ability to identify and explain the different parts of the vehicle, check for defects, and ensure that the vehicle is in proper working condition.
2. Basic Vehicle Control: You'll be asked to demonstrate your ability to control the vehicle in a controlled environment, such as a parking lot. You will be tested on your ability to perform maneuvers such as straight-line backing, offset backing, and parallel parking.
3. On-road Driving: You'll be asked to demonstrate your ability to operate the vehicle in normal traffic conditions. The driving test will usually last between 30 and 45 minutes and will include a variety of driving maneuvers such as turning, stopping, accelerating, and changing lanes.
During the skills test, you'll be evaluated on your ability to operate the vehicle safely and effectively, as well as your knowledge of the rules of the road and proper driving techniques. It's important to practice these skills with a qualified instructor or trainer before taking the test to ensure that you are fully prepared.
1. Vehicle weight: A Class B CDL license allows you to operate a single vehicle with a gross vehicle weight rating (GVWR) of 26,001 pounds or more. However, you are not allowed to tow a vehicle with a GVWR of more than 10,000 pounds.
2. Passenger restrictions: If you hold a Class B CDL license with a passenger endorsement, you are only allowed to transport up to 16 passengers (including the driver).
3. Hazardous materials restrictions: If you hold a Class B CDL license with a hazardous materials endorsement, there are several restrictions on the type and quantity of hazardous materials you can transport.
4. Interstate vs intrastate: Your Class B CDL license may be restricted to intrastate driving only (within the state of New Mexico) or may allow for interstate driving (across state lines).
It's important to be aware of any restrictions or limitations on your Class B CDL license and to make sure that you comply with all applicable laws and regulations. Violating these restrictions can result in fines, penalties, and even the suspension or revocation of your CDL license.
However, it's important to note that the skills test (the driving portion of the CDL test) is only offered in English. You must be able to read and speak English well enough to communicate with law enforcement, understand road signs and signals, and complete required reports.
If you need assistance with the English language portion of the test, you may be able to bring an interpreter with you to help translate. However, you will need to make arrangements in advance with the MVD and provide your own interpreter.
It's important to contact your local MVD office for more information on language options for the Class B CDL written test and any other requirements or restrictions that may apply.
- Extended time to complete the test
- Audio version of the test
- Large print or Braille versions of the test
- Use of a reader or scribe
To request accommodations, you will need to complete and submit a Request for Accommodations form, along with documentation of your disability and the type of assistance you need. The MVD will review your request and determine what accommodations are appropriate.
It's important to note that you must request accommodations in advance, preferably at least 30 days before your scheduled test date. This will give the MVD time to review your request and make any necessary arrangements.
If you have questions about how to request accommodations for the Class B CDL written test, contact your local MVD office for assistance.
If you fail the written test, you must wait at least one business day before retaking it. If you fail the test a second time, you must wait at least seven business days before retaking it. If you fail the test a third time, you must wait at least 30 days before retaking it.
It's important to note that there is a fee for each attempt at the written test. If you fail the test multiple times, these fees can add up quickly. To improve your chances of passing the test on your next attempt, consider studying the CDL manual and taking practice tests before retaking the exam.
If you have any questions about retaking the Class B CDL written test or other requirements for obtaining a CDL in New Mexico, contact your local Motor Vehicle Division office for assistance.