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.
Number of Question
Passing Score
8. If the low pressure warning light comes on while you are driving:
Explanation
If the low air pressure warning light turns on, you should stop and safely park your vehicle as soon as possible. Controlled braking will be possible only as long as enough air remains in the tanks.
9. When checking the air and electrical lines during a vehicle inspection, all of the following should be true, except:
Explanation
When examining the air and electrical lines as part of your vehicle inspection test, you must listen for leaks. Ensure that the air hoses and electrical lines are not cut, chafed, spliced, or worn. Make sure air and electrical lines are not tangled, pinched, or dragging against tractor parts.
10. When backing with a trailer:
Explanation
When backing with a trailer, you should pull up to reposition your vehicle as needed.
11. During a basic vehicle control skills test, you may be asked to:
Explanation
Maneuvers that may be included in the basic vehicle control skills test include straight line backing, offset back/right parking, offset back/left parking, driver side parallel parking, conventional parallel parking, and alley docking.
12. If the safety relief valve in the air brake system releases air:
Explanation
An air brake system has a safety relief valve, which releases air from the tanks if the pressure gets too high. If the valve must operate, something in the system is wrong and should be addressed by a mechanic.
13. Before beginning downhill, you should:
Explanation
On a steep downgrade, you must use the engine's braking effect as your primary method of speed control. Be sure to decelerate and downshift appropriately before beginning to drive down the hill. Relying too heavily on the brakes may cause them to overheat and fade, becoming less effective.
14. If you are braking on dry pavement while traveling at 55 mph, how much distance will brake lag add to your overall stopping distance?
Explanation
The total stopping distance for vehicles equipped with air brakes is made up of four factors: perception distance, reaction distance, brake lag distance, and braking distance. When braking at a speed of 55 mph while driving on dry pavement, the brake lag can add around 32 feet to the vehicle's total stopping distance.
Frequently Asked Questions
A Class B CDL (Commercial Driver's License) is a type of license that allows drivers to operate a single vehicle with a weight of 26,001 pounds or more, or a combination of vehicles with a total weight of less than 26,001 pounds. To obtain a Class B CDL in New Hampshire, you must follow these steps:
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.
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.
With a Class B CDL license in New Hampshire, you are authorized to operate a single vehicle with a gross vehicle weight rating (GVWR) of 26,001 pounds or more, or any such vehicle towing a trailer or other vehicle with a GVWR of less than 10,000 pounds. Examples of vehicles you can operate with a Class B CDL include:
- 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.
- 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.
To obtain a Class B CDL (Commercial Driver's License) in New Hampshire, you must meet the following requirements:
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. 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.
The minimum age requirement for a Class B CDL (Commercial Driver's License) in New Hampshire is 18 years old. However, if you intend to operate a commercial vehicle across state lines or transport hazardous materials, you must be at least 21 years old. It is also important to note that some employers may have their own age requirements for hiring CDL drivers, so you should check with potential employers for their specific requirements.
You may need endorsements for a Class B CDL (Commercial Driver's License) depending on the type of vehicle or cargo you intend to transport. The following are some common endorsements that may be required:
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. 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.
The Class B CDL (Commercial Driver's License) skills test in New Hampshire consists of three parts:
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. 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.
Yes, there are some restrictions and limitations for drivers with a Class B CDL (Commercial Driver's License) license in New Hampshire. Some of the common restrictions include:
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.
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.
In New Hampshire, the Class B CDL (Commercial Driver's License) written test is only available in English. According to the New Hampshire Department of Safety, all CDL applicants must be able to read and understand English well enough to understand traffic signs and signals, communicate with law enforcement officers, and respond to official inquiries.
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.
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.
Yes, you can request accommodations for the Class B CDL (Commercial Driver's License) written test in New Hampshire if you have a disability that may affect your ability to take the test under standard conditions.
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) 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.
If you fail the Class B CDL (Commercial Driver's License) written test in New Hampshire, you will be allowed to retake the test after a waiting period of at least seven days. You will need to pay the testing fee again and schedule a new appointment to take the test.
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.
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.
