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 or four possible answer choices. Test questions come from the Maryland 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
1. An empty truck:
Explanation
Empty trucks require longer stopping distances than full trucks because they have less traction available.
2. When checking the power steering fluid during a vehicle inspection, you will need to do each of the following, except:
Explanation
When checking the power steering fluid during the vehicle inspection test, you must be able to indicate where the power steering fluid dipstick is located and show that there is an adequate amount of power steering fluid in the engine compartment. The fluid level must be above the refill mark.
3. A steering wheel should be held:
Explanation
A steering wheel should be held firmly with both hands, positioned on opposite sides of the wheel.
4. When leaving your vehicle, you should:
Explanation
You should always apply the parking brake when leaving your vehicle.
5. Which of the following is not part of a vehicle’s air brake system?
Explanation
Components of an air brake system include an air compressor, an air compressor governor, air storage tanks, air tank drains, an alcohol evaporator, a safety valve, a brake pedal, foundation brakes, supply pressure gauges, an application pressure gauge, a low air pressure warning signal, a stop light switch, a front brake limiting valve (on some older vehicles), spring brakes, and parking brake controls.
6. How much water needs to be on the surface of a road for a vehicle to hydroplane?
Explanation
Hydroplaning is an effect in which a vehicle's tires lose traction with the surface of the road and instead glide along a layer of water. There does not have to be much water on the road for this to occur.
7. If hydraulic brakes fail, a driver can reduce their speed by:
Explanation
If your hydraulic bakes fail, shifting into a lower gear can help slow your vehicle down.
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Frequently Asked Questions
A Class B CDL (Commercial Driver's License) is a type of license required to operate a single vehicle with a gross combination weight rating (GCWR) of 26,001 pounds or more, or a vehicle with a GCWR of less than 26,001 pounds, but is designed to transport 16 or more passengers (including the driver) or hazardous materials. In Maryland, obtaining a Class B CDL involves several steps:
1. Obtain a Maryland Commercial Learner's Permit (CLP): To obtain a CLP, you must pass the knowledge tests for the specific class of commercial driver's license you are seeking.
2. Hold the CLP for at least 14 days: You must hold the CLP for at least 14 days before you can take the skills test.
3. Schedule and pass the skills test: The skills test consists of three parts: pre-trip inspection, basic vehicle control skills, and on-road driving.
4. Obtain your Class B CDL: If you pass all parts of the skills test, you will be issued your Class B CDL.
5. Maintain your CDL: To maintain your CDL, you must comply with all federal and state regulations, including medical certification requirements and regular license renewals.
1. Obtain a Maryland Commercial Learner's Permit (CLP): To obtain a CLP, you must pass the knowledge tests for the specific class of commercial driver's license you are seeking.
2. Hold the CLP for at least 14 days: You must hold the CLP for at least 14 days before you can take the skills test.
3. Schedule and pass the skills test: The skills test consists of three parts: pre-trip inspection, basic vehicle control skills, and on-road driving.
4. Obtain your Class B CDL: If you pass all parts of the skills test, you will be issued your Class B CDL.
5. Maintain your CDL: To maintain your CDL, you must comply with all federal and state regulations, including medical certification requirements and regular license renewals.
With a Class B CDL license in Maryland, you are authorized to operate the following types of vehicles:
1. Single vehicles with a gross combination weight rating (GCWR) of 26,001 pounds or more.
2. Single vehicles with a GCWR of 26,001 pounds or more towing a trailer with a GVWR of less than 10,000 pounds.
3. Vehicles with a GVWR of less than 26,001 pounds designed to transport 16 or more passengers (including the driver).
4. Vehicles with a GVWR of less than 26,001 pounds used to transport hazardous materials in quantities that require placarding.
It's important to note that additional endorsements may be required depending on the type of vehicle you plan to operate. For example, if you plan to transport passengers, you may need to obtain a Passenger endorsement. If you plan to transport hazardous materials, you may need to obtain a Hazmat endorsement.
1. Single vehicles with a gross combination weight rating (GCWR) of 26,001 pounds or more.
2. Single vehicles with a GCWR of 26,001 pounds or more towing a trailer with a GVWR of less than 10,000 pounds.
3. Vehicles with a GVWR of less than 26,001 pounds designed to transport 16 or more passengers (including the driver).
4. Vehicles with a GVWR of less than 26,001 pounds used to transport hazardous materials in quantities that require placarding.
It's important to note that additional endorsements may be required depending on the type of vehicle you plan to operate. For example, if you plan to transport passengers, you may need to obtain a Passenger endorsement. If you plan to transport hazardous materials, you may need to obtain a Hazmat endorsement.
To obtain a Class B CDL license in Maryland, you must meet the following requirements:
1. Be at least 18 years old: You must be at least 18 years old to obtain a Class B CDL license. However, if you plan to operate a vehicle that transports hazardous materials, you must be at least 21 years old.
2. Have a valid Maryland driver's license: You must have a valid Maryland driver's license.
3. Obtain a Maryland Commercial Learner's Permit (CLP): To obtain a CLP, you must pass the knowledge tests for the specific class of commercial driver's license you are seeking.
4. Hold the CLP for at least 14 days: You must hold the CLP for at least 14 days before you can take the skills test.
5. Pass the skills test: The skills test consists of three parts: pre-trip inspection, basic vehicle control skills, and on-road driving.
6. Meet medical requirements: You must meet medical requirements established by the Federal Motor Carrier Safety Administration (FMCSA).
7. Provide necessary documents: You must provide necessary documents to prove your identity, citizenship or lawful permanent residency status, and Social Security number.
It's important to note that additional endorsements may be required depending on the type of vehicle you plan to operate. For example, if you plan to transport passengers, you may need to obtain a Passenger endorsement. If you plan to transport hazardous materials, you may need to obtain a Hazmat endorsement.
1. Be at least 18 years old: You must be at least 18 years old to obtain a Class B CDL license. However, if you plan to operate a vehicle that transports hazardous materials, you must be at least 21 years old.
2. Have a valid Maryland driver's license: You must have a valid Maryland driver's license.
3. Obtain a Maryland Commercial Learner's Permit (CLP): To obtain a CLP, you must pass the knowledge tests for the specific class of commercial driver's license you are seeking.
4. Hold the CLP for at least 14 days: You must hold the CLP for at least 14 days before you can take the skills test.
5. Pass the skills test: The skills test consists of three parts: pre-trip inspection, basic vehicle control skills, and on-road driving.
6. Meet medical requirements: You must meet medical requirements established by the Federal Motor Carrier Safety Administration (FMCSA).
7. Provide necessary documents: You must provide necessary documents to prove your identity, citizenship or lawful permanent residency status, and Social Security number.
It's important to note that additional endorsements may be required depending on the type of vehicle you plan to operate. For example, if you plan to transport passengers, you may need to obtain a Passenger endorsement. If you plan to transport hazardous materials, you may need to obtain a Hazmat endorsement.
The minimum age requirement for a Class B CDL license in Maryland is 18 years old. However, if you plan to operate a vehicle that transports hazardous materials, you must be at least 21 years old. It's important to note that some employers may have their own age requirements that exceed the minimum state requirement.
You may need to obtain additional endorsements depending on the type of vehicle you plan to operate with your Class B CDL license. The following are some of the endorsements that may be required:
1. Passenger Endorsement: If you plan to drive a vehicle that is designed to transport 16 or more passengers, including the driver, you will need a Passenger endorsement.
2. School Bus Endorsement: If you plan to drive a school bus, you will need a School Bus endorsement.
3. Tank Vehicle Endorsement: If you plan to transport liquids or gases in bulk containers with a capacity of 1,000 gallons or more, you will need a Tank Vehicle endorsement.
4. Hazmat Endorsement: If you plan to transport hazardous materials, you will need a Hazmat endorsement.
5. Combination Tank and Hazmat Endorsement: If you plan to transport both hazardous materials and liquids or gases in bulk containers with a capacity of 1,000 gallons or more, you will need both the Hazmat and Tank Vehicle endorsements.
It's important to note that each endorsement requires additional testing and fees.
1. Passenger Endorsement: If you plan to drive a vehicle that is designed to transport 16 or more passengers, including the driver, you will need a Passenger endorsement.
2. School Bus Endorsement: If you plan to drive a school bus, you will need a School Bus endorsement.
3. Tank Vehicle Endorsement: If you plan to transport liquids or gases in bulk containers with a capacity of 1,000 gallons or more, you will need a Tank Vehicle endorsement.
4. Hazmat Endorsement: If you plan to transport hazardous materials, you will need a Hazmat endorsement.
5. Combination Tank and Hazmat Endorsement: If you plan to transport both hazardous materials and liquids or gases in bulk containers with a capacity of 1,000 gallons or more, you will need both the Hazmat and Tank Vehicle endorsements.
It's important to note that each endorsement requires additional testing and fees.
The Class B CDL skills test in Maryland consists of three parts:
1. Pre-trip Inspection: You will be asked to perform a pre-trip inspection of your vehicle, which includes checking various systems and components to ensure that they are in good working order.
2. Basic Vehicle Control: You will be asked to demonstrate your ability to control the vehicle in various situations, such as backing up and turning.
3. On-road Driving: You will be asked to drive the vehicle on public roads, where you will be evaluated on your ability to follow traffic laws, make turns, and perform other maneuvers safely and effectively.
During the skills test, you will be evaluated on a number of criteria, including your ability to use mirrors and turn signals, your speed and accuracy in completing maneuvers, and your overall control of the vehicle. It's important to practice your driving skills extensively before taking the test, and to arrive at the testing location well-rested and prepared.
1. Pre-trip Inspection: You will be asked to perform a pre-trip inspection of your vehicle, which includes checking various systems and components to ensure that they are in good working order.
2. Basic Vehicle Control: You will be asked to demonstrate your ability to control the vehicle in various situations, such as backing up and turning.
3. On-road Driving: You will be asked to drive the vehicle on public roads, where you will be evaluated on your ability to follow traffic laws, make turns, and perform other maneuvers safely and effectively.
During the skills test, you will be evaluated on a number of criteria, including your ability to use mirrors and turn signals, your speed and accuracy in completing maneuvers, and your overall control of the vehicle. It's important to practice your driving skills extensively before taking the test, and to arrive at the testing location well-rested and prepared.
Yes, there are some restrictions and limitations that apply to drivers with a Class B CDL license in Maryland. Here are a few examples:
1. Vehicle Weight Limitations: A Class B CDL allows you to operate vehicles with a gross vehicle weight rating (GVWR) of 26,001 pounds or more, but not vehicles that exceed 80,000 pounds GVWR.
2. Passenger Restrictions: If you have a Class B CDL without a Passenger endorsement, you are not permitted to transport more than 15 passengers (including the driver) on public roads.
3. Hazmat Restrictions: If you have a Class B CDL without a Hazmat endorsement, you are not permitted to transport hazardous materials.
4. Trailer Limitations: A Class B CDL allows you to tow a trailer with a GVWR of 10,000 pounds or less. If you need to tow a heavier trailer, you will need a Class A CDL.
5. Interstate vs Intrastate Driving: Drivers with a Class B CDL are generally permitted to operate commercial vehicles within their state of residence (intrastate). If you plan to drive across state lines (interstate), you will need to comply with additional federal regulations and may need to obtain additional endorsements or certifications.
It's important to be aware of these restrictions and limitations as they relate to your specific needs as a commercial driver.
1. Vehicle Weight Limitations: A Class B CDL allows you to operate vehicles with a gross vehicle weight rating (GVWR) of 26,001 pounds or more, but not vehicles that exceed 80,000 pounds GVWR.
2. Passenger Restrictions: If you have a Class B CDL without a Passenger endorsement, you are not permitted to transport more than 15 passengers (including the driver) on public roads.
3. Hazmat Restrictions: If you have a Class B CDL without a Hazmat endorsement, you are not permitted to transport hazardous materials.
4. Trailer Limitations: A Class B CDL allows you to tow a trailer with a GVWR of 10,000 pounds or less. If you need to tow a heavier trailer, you will need a Class A CDL.
5. Interstate vs Intrastate Driving: Drivers with a Class B CDL are generally permitted to operate commercial vehicles within their state of residence (intrastate). If you plan to drive across state lines (interstate), you will need to comply with additional federal regulations and may need to obtain additional endorsements or certifications.
It's important to be aware of these restrictions and limitations as they relate to your specific needs as a commercial driver.
Yes, in Maryland, you can take the Class B CDL written test in a language other than English. The Maryland Motor Vehicle Administration (MVA) offers the written test in several languages, including Spanish, French, Korean, Chinese, and others.
However, it's important to note that the skills test (driving test) is only available in English or Spanish. If you need a translator for the skills test, you will need to provide your own.
Also, keep in mind that even if you take the written test in a language other than English, you will still need to be able to understand and communicate effectively in English while operating a commercial vehicle on public roads. The MVA may require you to demonstrate your ability to understand and speak English during the testing process.
However, it's important to note that the skills test (driving test) is only available in English or Spanish. If you need a translator for the skills test, you will need to provide your own.
Also, keep in mind that even if you take the written test in a language other than English, you will still need to be able to understand and communicate effectively in English while operating a commercial vehicle on public roads. The MVA may require you to demonstrate your ability to understand and speak English during the testing process.
Yes, if you have a disability that affects your ability to take the Class B CDL written test, you can request accommodations from the Maryland Motor Vehicle Administration (MVA).
To request accommodations, you will need to fill out the Request for Accommodation of Disability form and submit it to the MVA. The form is available on the MVA website or at any MVA branch office.
You will also need to provide documentation from a medical professional that verifies your disability and explains how it affects your ability to take the test. The documentation should include recommended accommodations, such as extra time, a separate testing room, or a reader or interpreter.
The MVA will review your request and documentation and determine what accommodations can be provided. They may also require you to take a modified version of the test or provide additional documentation.
It's important to submit your request for accommodations well in advance of your scheduled test date to allow time for review and processing.
To request accommodations, you will need to fill out the Request for Accommodation of Disability form and submit it to the MVA. The form is available on the MVA website or at any MVA branch office.
You will also need to provide documentation from a medical professional that verifies your disability and explains how it affects your ability to take the test. The documentation should include recommended accommodations, such as extra time, a separate testing room, or a reader or interpreter.
The MVA will review your request and documentation and determine what accommodations can be provided. They may also require you to take a modified version of the test or provide additional documentation.
It's important to submit your request for accommodations well in advance of your scheduled test date to allow time for review and processing.
If you fail the Class B CDL written test in Maryland, you can retake it. However, you will have to wait at least 1 day before retaking the test.
You will need to pay a fee each time you take the test, even if you are retaking it. The fee for the Class B CDL written test in Maryland is $50.
It's important to review the study materials and practice before retaking the test to ensure that you are better prepared. If you fail the written test three times, you will have to wait at least 7 days before taking it again.
If you fail the written test repeatedly, it may be helpful to consider additional study materials or classes to improve your understanding of the information and increase your chances of passing on subsequent attempts.
You will need to pay a fee each time you take the test, even if you are retaking it. The fee for the Class B CDL written test in Maryland is $50.
It's important to review the study materials and practice before retaking the test to ensure that you are better prepared. If you fail the written test three times, you will have to wait at least 7 days before taking it again.
If you fail the written test repeatedly, it may be helpful to consider additional study materials or classes to improve your understanding of the information and increase your chances of passing on subsequent attempts.
