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 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.
Number of Question
Passing Score
43. During an applied leakage test, the maximum leakage rate for a triple combination vehicle is:
Explanation
It is important to know the maximum air loss rate that is safe for your specific vehicle. A triple combination should have a leakage rate no higher than 6 psi in a minute during an applied leakage test.
44. To correct a drive-wheel braking skid, a driver should do all of the following, except:
Explanation
To correct a drive-wheel braking skid, you should first remove your foot from the brake pedal to allow the locked wheels to begin rolling again. Quickly steer in the direction you want to go, then countersteer to prevent your vehicle from skidding in the opposite direction.
45. When inspecting cargo, the driver should do all of the following, except:
Explanation
Cargo should be inspected by a driver to ensure that it is properly secured, balanced, and not exceeding weight limits.
46. How should you test the low pressure warning signal?
Explanation
It is essential that your low pressure warning light functions properly. After allowing the system to charge, you can test the warning signal by rapidly applying and releasing the brake pedal. This will release air from the braking system and the warning signal should come on when pressure drops to a dangerous level.
47. Most heavy trucks with manual transmissions require ____ to change gears.
Explanation
Most heavy vehicles with manual transmissions require double clutching to shift gears. Learning to effectively change gears by double clutching takes practice.
48. The air pressure in a dual air brake system should build from 85 to 100 psi within:
Explanation
When inspecting a vehicle with a dual air brake system, you should wait for air pressure to build from 85 to 100 psi in both the primary and secondary systems. This should take about 45 seconds.
49. A stopped bus:
Explanation
Always drive cautiously around a stopped bus. Passengers may cross in front of or behind it, and the bus may prevent them from seeing your vehicle.
50. The front of an enclosed trailer should:
Explanation
When inspecting an enclosed trailer as a part of the vehicle inspection test, check the front area of the trailer for signs of damage, such as cracks, bulges, or holes.
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Frequently Asked Questions
A Class B CDL (Commercial Driver's License) is a license that allows you to operate a single vehicle with a weight rating of 26,001 pounds or more, or a combination of vehicles with a total weight rating of 26,001 pounds or more but towing less than 10,000 pounds. In Massachusetts, this license is required for driving certain types of commercial vehicles such as buses, delivery trucks, and dump trucks.
Here are the steps to obtain a Class B CDL license in Massachusetts:
1. Meet the eligibility requirements: You must be at least 18 years old (21 years old for interstate driving), have a valid driver's license, and pass a medical examination to ensure that you are physically fit to drive a commercial vehicle.
2. Obtain a Commercial Learner's Permit (CLP): To get a CLP, you must pass the written knowledge test specific to the type of commercial vehicle you plan to operate. You must also pass a vision test and pay the required fee.
3. Practice driving with your CLP: You must hold your CLP for at least 14 days before taking the road test.
4. Schedule and take the road test: The road test consists of three parts - pre-trip inspection, basic vehicle control skills, and on-road driving test. You must provide your own vehicle for the road test.
5. Pass the road test: If you pass all three parts of the road test, you will receive your Class B CDL license.
6. Maintain your CDL: Your CDL will need to be renewed every 5 years and you will need to pass regular medical examinations to ensure that you are still physically fit to drive.
Here are the steps to obtain a Class B CDL license in Massachusetts:
1. Meet the eligibility requirements: You must be at least 18 years old (21 years old for interstate driving), have a valid driver's license, and pass a medical examination to ensure that you are physically fit to drive a commercial vehicle.
2. Obtain a Commercial Learner's Permit (CLP): To get a CLP, you must pass the written knowledge test specific to the type of commercial vehicle you plan to operate. You must also pass a vision test and pay the required fee.
3. Practice driving with your CLP: You must hold your CLP for at least 14 days before taking the road test.
4. Schedule and take the road test: The road test consists of three parts - pre-trip inspection, basic vehicle control skills, and on-road driving test. You must provide your own vehicle for the road test.
5. Pass the road test: If you pass all three parts of the road test, you will receive your Class B CDL license.
6. Maintain your CDL: Your CDL will need to be renewed every 5 years and you will need to pass regular medical examinations to ensure that you are still physically fit to drive.
With a Class B CDL license in Massachusetts, you can operate a single vehicle with a weight rating of 26,001 pounds or more, or a combination of vehicles with a total weight rating of 26,001 pounds or more but towing less than 10,000 pounds.
Some examples of vehicles you can operate with a Class B CDL license include:
- Straight trucks (e.g., delivery trucks, dump trucks)
- Large buses (e.g., school buses, city buses)
- Segmented buses
- Box trucks with trailers
- Tractor-trailer combinations where the trailer has a weight rating of less than 10,000 pounds
It's important to note that some vehicles may require additional endorsements or certifications to operate legally. For example, you may need a passenger endorsement to drive certain types of buses with passengers on board. Be sure to check the specific requirements for the type of vehicle you plan to operate.
Some examples of vehicles you can operate with a Class B CDL license include:
- Straight trucks (e.g., delivery trucks, dump trucks)
- Large buses (e.g., school buses, city buses)
- Segmented buses
- Box trucks with trailers
- Tractor-trailer combinations where the trailer has a weight rating of less than 10,000 pounds
It's important to note that some vehicles may require additional endorsements or certifications to operate legally. For example, you may need a passenger endorsement to drive certain types of buses with passengers on board. Be sure to check the specific requirements for the type of vehicle you plan to operate.
To obtain a Class B CDL (Commercial Driver's License) license in Massachusetts, you must meet the following requirements:
1. Age: You must be at least 18 years old to obtain a Class B CDL in Massachusetts. However, you must be at least 21 years old to drive a commercial vehicle across state lines or transport hazardous materials.
2. Valid driver's license: You must have a valid driver's license.
3. Medical certification: You must pass a medical examination and obtain a medical certificate indicating that you are physically fit to drive a commercial vehicle.
4. Commercial Learner's Permit (CLP): You must obtain a CLP by passing the written knowledge test specific to the type of commercial vehicle you plan to operate. You must also pass a vision test and pay the required fee.
5. Driving experience: You must hold your CLP for at least 14 days before taking the road test.
6. Road test: You must successfully pass a three-part road test, including pre-trip inspection, basic vehicle control skills, and on-road driving test.
7. Fees: You must pay the required fees for obtaining your Class B CDL license.
It's important to note that additional endorsements or certifications may be required to operate certain types of commercial vehicles legally. For example, you may need a passenger endorsement to drive certain types of buses with passengers on board. Be sure to check the specific requirements for the type of vehicle you plan to operate.
1. Age: You must be at least 18 years old to obtain a Class B CDL in Massachusetts. However, you must be at least 21 years old to drive a commercial vehicle across state lines or transport hazardous materials.
2. Valid driver's license: You must have a valid driver's license.
3. Medical certification: You must pass a medical examination and obtain a medical certificate indicating that you are physically fit to drive a commercial vehicle.
4. Commercial Learner's Permit (CLP): You must obtain a CLP by passing the written knowledge test specific to the type of commercial vehicle you plan to operate. You must also pass a vision test and pay the required fee.
5. Driving experience: You must hold your CLP for at least 14 days before taking the road test.
6. Road test: You must successfully pass a three-part road test, including pre-trip inspection, basic vehicle control skills, and on-road driving test.
7. Fees: You must pay the required fees for obtaining your Class B CDL license.
It's important to note that additional endorsements or certifications may be required to operate certain types of commercial vehicles legally. For example, you may need a passenger endorsement to drive certain types of buses with passengers on board. Be sure to check the specific requirements for the type of vehicle you plan to operate.
In Massachusetts, the minimum age requirement for obtaining a Class B Commercial Driver's License (CDL) is 18 years old. However, if you plan to drive a commercial vehicle across state lines or transport hazardous materials, you must be at least 21 years old.
It's important to note that some employers may have their own age requirements for hiring drivers. Additionally, certain endorsements or certifications may also have their own age requirements. For example, the minimum age requirement to obtain a passenger endorsement is 21 years old in Massachusetts.
It's important to note that some employers may have their own age requirements for hiring drivers. Additionally, certain endorsements or certifications may also have their own age requirements. For example, the minimum age requirement to obtain a passenger endorsement is 21 years old in Massachusetts.
It depends on the type of vehicle you plan to operate and the cargo you plan to transport. In Massachusetts, there are several endorsements that you may need for a Class B CDL license:
1. Passenger endorsement: If you plan to drive a vehicle that carries 16 or more passengers, including the driver, you will need to obtain a passenger endorsement.
2. Tanker endorsement: If you plan to transport liquids or gases in bulk containers with a capacity of 119 gallons or more, you will need to obtain a tanker endorsement.
3. Hazardous materials (HazMat) endorsement: If you plan to transport hazardous materials in amounts that require placards, you will need to obtain a HazMat endorsement.
4. School bus endorsement: If you plan to drive a school bus, you will need to obtain a school bus endorsement.
It's important to note that each of these endorsements requires passing an additional written knowledge test and may also require additional fees. The endorsements are added to your Class B CDL license upon successful completion of the required tests and fees.
1. Passenger endorsement: If you plan to drive a vehicle that carries 16 or more passengers, including the driver, you will need to obtain a passenger endorsement.
2. Tanker endorsement: If you plan to transport liquids or gases in bulk containers with a capacity of 119 gallons or more, you will need to obtain a tanker endorsement.
3. Hazardous materials (HazMat) endorsement: If you plan to transport hazardous materials in amounts that require placards, you will need to obtain a HazMat endorsement.
4. School bus endorsement: If you plan to drive a school bus, you will need to obtain a school bus endorsement.
It's important to note that each of these endorsements requires passing an additional written knowledge test and may also require additional fees. The endorsements are added to your Class B CDL license upon successful completion of the required tests and fees.
The Class B CDL skills test in Massachusetts consists of three parts:
1. Pre-trip inspection: You will be asked to perform a pre-trip inspection of your vehicle and explain to the examiner what you are checking and why. You will need to identify and explain any potential safety hazards or equipment malfunctions.
2. Basic vehicle control: You will be asked to demonstrate your ability to control the vehicle in various situations, such as backing up, turning, and parking. You may be asked to maneuver through a course of cones or other obstacles.
3. On-road driving: You will be evaluated while driving on public roads and highways. The examiner will assess your ability to safely handle the vehicle in traffic, make turns, change lanes, and obey traffic signals and signs.
It's important to note that the skills test must be taken in a vehicle that is representative of the type of Class B vehicle that you plan to operate. Additionally, you must have a valid medical certificate, proof of insurance, and all necessary endorsements for the vehicle you plan to operate during the test.
1. Pre-trip inspection: You will be asked to perform a pre-trip inspection of your vehicle and explain to the examiner what you are checking and why. You will need to identify and explain any potential safety hazards or equipment malfunctions.
2. Basic vehicle control: You will be asked to demonstrate your ability to control the vehicle in various situations, such as backing up, turning, and parking. You may be asked to maneuver through a course of cones or other obstacles.
3. On-road driving: You will be evaluated while driving on public roads and highways. The examiner will assess your ability to safely handle the vehicle in traffic, make turns, change lanes, and obey traffic signals and signs.
It's important to note that the skills test must be taken in a vehicle that is representative of the type of Class B vehicle that you plan to operate. Additionally, you must have a valid medical certificate, proof of insurance, and all necessary endorsements for the vehicle you plan to operate during the test.
Yes, there are restrictions and limitations for drivers with a Class B CDL license in Massachusetts. Here are some of the most common restrictions:
1. Air brake restriction: If you did not pass the air brake knowledge and skills test, you will have an "L" restriction on your license that prohibits you from operating a vehicle equipped with air brakes.
2. Automatic transmission restriction: If you took the skills test in a vehicle with an automatic transmission, you will have an "E" restriction on your license that prohibits you from operating a vehicle with a manual transmission.
3. Passenger endorsement restriction: If you did not pass the passenger endorsement knowledge and skills test, you will not be able to operate a vehicle that carries 16 or more passengers, including the driver.
4. School bus endorsement restriction: If you did not pass the school bus endorsement knowledge and skills test, you will not be able to operate a school bus.
5. HazMat endorsement restriction: If you did not pass the HazMat endorsement knowledge test or if you were disqualified from holding a HazMat endorsement, you will not be able to transport hazardous materials.
It's important to note that these restrictions will be noted on your CDL license and it is your responsibility to comply with them at all times.
1. Air brake restriction: If you did not pass the air brake knowledge and skills test, you will have an "L" restriction on your license that prohibits you from operating a vehicle equipped with air brakes.
2. Automatic transmission restriction: If you took the skills test in a vehicle with an automatic transmission, you will have an "E" restriction on your license that prohibits you from operating a vehicle with a manual transmission.
3. Passenger endorsement restriction: If you did not pass the passenger endorsement knowledge and skills test, you will not be able to operate a vehicle that carries 16 or more passengers, including the driver.
4. School bus endorsement restriction: If you did not pass the school bus endorsement knowledge and skills test, you will not be able to operate a school bus.
5. HazMat endorsement restriction: If you did not pass the HazMat endorsement knowledge test or if you were disqualified from holding a HazMat endorsement, you will not be able to transport hazardous materials.
It's important to note that these restrictions will be noted on your CDL license and it is your responsibility to comply with them at all times.
Yes, you can take the Class B CDL written test in a language other than English in Massachusetts. The RMV offers the written test in several languages, including Spanish, Portuguese, Mandarin, Cantonese, and Vietnamese.
However, it's important to note that the skills test must be taken in English and the examiner will only communicate with you in English during the test. Additionally, if you need an interpreter for the skills test, you will need to provide your own interpreter at your own expense.
If you choose to take the written test in a language other than English, you will be provided with an audio headset and a translation of the questions and answers. You will still need to know how to read and understand road signs and other written materials in English, as those are not translated during the test.
However, it's important to note that the skills test must be taken in English and the examiner will only communicate with you in English during the test. Additionally, if you need an interpreter for the skills test, you will need to provide your own interpreter at your own expense.
If you choose to take the written test in a language other than English, you will be provided with an audio headset and a translation of the questions and answers. You will still need to know how to read and understand road signs and other written materials in English, as those are not translated during the test.
Yes, you can request accommodations for the Class B CDL written test if you have a disability that makes it difficult for you to take the test under standard conditions. The RMV provides reasonable accommodations to individuals with disabilities in compliance with the Americans with Disabilities Act (ADA).
To request accommodations for the written test, you need to complete an ADA Accommodation Request Form, which is available on the RMV website or can be obtained by contacting the RMV's ADA Coordinator. You must submit the form and any supporting documentation at least 30 days before your scheduled test date.
Some types of accommodations that may be provided include extended time, a reader or scribe, a separate testing room, or a sign language interpreter. The RMV will review your request and determine what accommodations are appropriate based on your specific needs and the requirements of the test.
It is important to note that you must still meet all other requirements for obtaining a Class B CDL license, including passing the written and skills tests under modified conditions.
To request accommodations for the written test, you need to complete an ADA Accommodation Request Form, which is available on the RMV website or can be obtained by contacting the RMV's ADA Coordinator. You must submit the form and any supporting documentation at least 30 days before your scheduled test date.
Some types of accommodations that may be provided include extended time, a reader or scribe, a separate testing room, or a sign language interpreter. The RMV will review your request and determine what accommodations are appropriate based on your specific needs and the requirements of the test.
It is important to note that you must still meet all other requirements for obtaining a Class B CDL license, including passing the written and skills tests under modified conditions.
If you fail the Class B CDL written test, you can retake it. However, you will need to wait at least one business day before retaking the test, and there may be a fee for each attempt.
It's important to note that if you fail the test three times, you will need to wait at least 30 days before taking it again. Additionally, if you fail the test five times, you will need to wait at least six months before taking it again.
Before retaking the test, it's a good idea to review the study materials and practice answering sample questions. The RMV offers a free CDL manual that covers all of the information you need to know for the written test. You can also find online practice tests and study guides to help you prepare.
If you have any questions or concerns about retaking the Class B CDL written test, you can contact the RMV or visit a local RMV service center for assistance.
It's important to note that if you fail the test three times, you will need to wait at least 30 days before taking it again. Additionally, if you fail the test five times, you will need to wait at least six months before taking it again.
Before retaking the test, it's a good idea to review the study materials and practice answering sample questions. The RMV offers a free CDL manual that covers all of the information you need to know for the written test. You can also find online practice tests and study guides to help you prepare.
If you have any questions or concerns about retaking the Class B CDL written test, you can contact the RMV or visit a local RMV service center for assistance.
