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 four possible answer choices. Test questions come from the New Hampshire CDL Driver’s Guide. 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.
43. Water and compressor oil are usually found in the compressed air within an air brake system. Water and compressor oil:
Compressed air in an air brake system usually contains a certain amount of water and compressor oil. The water and oil can damage the brakes if left to accumulate in the system. Manually operated air tank drains must be opened daily to remove this build-up.
44. When entering traffic, a large vehicle usually needs:
A large vehicle requires more space when entering or crossing traffic than a smaller vehicle. This is not only because the vehicle itself is larger, but also because it needs a longer distance to accelerate.
45. When traveling at speeds under 40 mph, you should maintain at least ____ of following distance for every 10 feet of your vehicle's length.
When traveling at speeds under 40 mph, you should allow a minimum of one second of following distance for every 10 feet of your vehicle's length. At faster speeds, add at least one additional second.
46. States verify that a CDL or CLP driver has only one such license by:
All U.S. states share information about CDL and CLP licenses in a computerized database. If you apply for a license in one state, a state will check this database to verify that you do not already have one such license in another state.
47. If driving on a surface with poor traction, a driver should accelerate slowly:
To avoid a loss of control, you should accelerate slowly when driving in poor-traction conditions, such as rain or snow.
48. A header board is used to:
Front-end header boards, also known as "headache racks," protect drivers from moving cargo in the event of a crash or emergency stop.
49. Dollies equipped with ABS are required to have malfunction lamps located where?
A dolly equipped with an Anti-Lock Braking System (ABS) is required to have a yellow malfunction lamp located on its left side.
50. If an Anti-Lock Braking System (ABS) malfunctions:
On a vehicle with ABS, a yellow malfunction lamp on the instrument panel will illuminate to alert you if the braking system is not working.
Frequently Asked Questions
1. Obtain a New Hampshire commercial driver's manual from the DMV or download it from their website.
2. Complete a commercial driver's license application form and provide proof of identification and residency.
3. Pass a vision test and a medical examination to ensure you meet the physical requirements for operating a commercial vehicle.
4. Pass the written knowledge test specific to the Class B CDL.
5. Schedule and pass a road skills test in the type of vehicle you intend to drive, which includes pre-trip inspection, basic vehicle control, and on-road driving.
6. Pay the required fees for obtaining your Class B CDL.
Once you have your Class B CDL in New Hampshire, it is important to follow all traffic laws and regulations related to commercial driving to maintain your license and ensure safety on the roads.
- Straight trucks (such as dump trucks, box trucks, and delivery trucks) with a GVWR of 26,001 pounds or more
- Buses (such as school buses and city buses) designed to transport 16 or more passengers (including the driver) and weighing less than 26,001 pounds
- Combination vehicles (such as tractor-trailers) with a total weight of less than 26,001 pounds
It is important to note that certain endorsements may be required to operate certain types of vehicles, such as hazardous materials or passenger transport. Make sure to check the specific requirements for the type of vehicle you intend to operate.
1. Age: You must be at least 18 years old to obtain a Class B CDL and at least 21 years old to operate a commercial vehicle across state lines or transport hazardous materials.
2. Valid driver's license: You must have a valid non-commercial driver's license.
3. Medical certification: You must provide a current medical examiner's certificate indicating that you meet the physical requirements for operating a commercial vehicle.
4. Knowledge test: You must pass a written knowledge test specific to the Class B CDL.
5. Skills test: You must pass a road skills test in the type of vehicle you intend to drive, which includes pre-trip inspection, basic vehicle control, and on-road driving.
6. Background check: You must pass a background check, which includes providing a 10-year driving history and disclosing any criminal convictions.
7. Fees: You must pay the required fees for obtaining your Class B CDL.
It is important to note that additional endorsements may be required for specific types of vehicles or cargo, such as hazardous materials or passenger transport. Make sure to check the specific requirements for the type of vehicle you intend to operate.
1. Passenger (P) endorsement: Required to drive vehicles designed to transport 16 or more passengers, including the driver.
2. School bus (S) endorsement: Required to drive a school bus.
3. Tank vehicle (N) endorsement: Required to drive any vehicle that is used to transport liquids or gases in bulk tanks with a capacity of 1,000 gallons or more.
4. Hazardous materials (H) endorsement: Required to transport hazardous materials as defined by federal law.
5. Combination tank and hazardous materials (X) endorsement: Required to transport both hazardous materials and liquids or gases in bulk tanks with a capacity of 1,000 gallons or more.
It is important to note that obtaining endorsements requires additional knowledge and skills tests beyond the standard Class B CDL requirements, as well as meeting other requirements such as background checks and additional fees.
1. Pre-trip inspection: You must 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 any potential safety hazards.
2. Basic vehicle control: You will be tested on your ability to control the vehicle in a variety of situations, such as straight line backing, parallel parking, and turning in tight spaces.
3. On-road driving: You will be tested on your ability to safely operate the vehicle on public roads, including your ability to obey traffic laws, maintain proper speed and positioning, and respond appropriately to hazards or emergencies.
During the test, you will be evaluated by a certified examiner who will score you on your performance in each of these areas. To pass the test, you must demonstrate safe and competent driving skills and receive a passing score on each section of the test.
1. Air brakes restriction: If you did not pass the air brakes knowledge and skills tests, you will be restricted from operating any vehicle equipped with air brakes.
2. Lifting restriction: If you are unable to lift a certain amount of weight, you may be restricted from operating certain types of vehicles or hauling certain types of cargo.
3. Automatic transmission restriction: If you passed your CDL skills test in a vehicle with an automatic transmission, you will be restricted from operating a vehicle with a manual transmission.
4. Passenger restriction: If you did not pass the passenger endorsement skills test, you will be restricted from driving any vehicle designed to transport 16 or more passengers.
It is important to note that these restrictions and limitations may vary depending on the state and specific circumstances of your license. It is your responsibility as a CDL holder to understand and comply with all applicable restrictions and limitations.
However, the state does offer an interpreter service for the CDL skills test. If you need an interpreter for the skills test, you must provide your own interpreter who is at least 18 years old and fluent in both English and your preferred language. The interpreter must also sign an affidavit stating that they will accurately interpret all instructions and questions during the test.
If you have any concerns about taking the CDL test in English, it's best to contact your local DMV office for more information on available resources or accommodations.
The New Hampshire Department of Safety's Division of Motor Vehicles (DMV) provides reasonable accommodations for individuals with disabilities in accordance with the Americans with Disabilities Act (ADA). Some examples of accommodations that may be available include:
- Extended time for taking the test
- A separate testing room
- Large-print or Braille test materials
- Assistance from a reader or scribe
To request accommodations for the CDL written test, you must submit a request form and documentation of your disability to the DMV. The documentation should be from a qualified professional and describe how your disability affects your ability to take the test under standard conditions. The DMV will review your request and determine what accommodations can be provided.
It's important to note that accommodations are not guaranteed and may depend on the specific circumstances of your disability and the availability of resources. If you have any questions or concerns about requesting accommodations, it's best to contact your local DMV office for guidance.
The New Hampshire Department of Safety's Division of Motor Vehicles (DMV) allows you to take the written test up to three times in one day, with a waiting period of seven days between each attempt. If you fail the test three times in one day or fail it three times in a row, you will need to wait at least 30 days before taking the test again.
It's important to note that passing the written test is just one part of obtaining a CDL in New Hampshire. You will also need to pass a skills test, which includes a pre-trip inspection, basic control skills, and a road test. If you fail any part of the skills test, you will need to wait at least 14 days before retaking that part of the test.
If you are having difficulty passing the written or skills tests, it may be helpful to seek out additional training or study materials. There are many resources available online and through commercial driving schools that can help you prepare for the tests and increase your chances of success.