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.. Read More

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 Wisconsin Commercial Driver’s Manual. Questions come from chapters covering: Introduction, Driving Safely, Transporting Cargo Safely, Air Brakes (if applicable), Combination Vehicles and Hazardous Maerials. 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

15. During exercises that are not the straight line backing exercise, you may exit your vehicle to check its position no more than:

Explanation
A driver is allowed to exit their vehicle to check its position during any basic control skills test exercise. This action is called a "look." During the straight line backing exercise, a driver may not exceed one look. During any other exercise, a driver may not exceed two looks.

16. When backing with a trailer:

Explanation
When backing, you should pull forward to reposition your vehicle whenever needed. Drift should be corrected immediately by turning the steering wheel in the direction of the drift.

17. When starting the vehicle during the pre-trip inspection, the coolant temperature should:

Explanation
After starting your vehicle during the pre-trip inspection, you should watch the gauges. The coolant temperature should gradually rise to a normal operating range.

18. Lights that indicate that anti-lock brakes are not working are:

Explanation
Vehicles equipped with Anti-Lock Braking Systems (ABS) have yellow malfunction lights to indicate issues in the braking system.

19. If you are confronted by an aggressive driver, you should:

Explanation
If confronted by an aggressive driver, the most important thing for you to do is get out of their way. Avoid making eye contact, do not challenge them by increasing your speed, and do not let yourself be provoked by any angry gestures they direct toward you.

20. A high center of gravity:

Explanation
A high center of gravity makes a vehicle more likely to tip over.

21. How many daily hours of sleep does an adult need to maintain alertness?

Explanation
Being properly rested is essential to the safe operation of a CMV. To maintain alertness, most people need eight to nine hours of sleep per night.

Frequently Asked Questions

A Class B Commercial Driver's License (CDL) in Wisconsin 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. This license is required for drivers who operate vehicles such as buses, dump trucks, delivery trucks, and other large commercial vehicles.

To obtain a Class B CDL in Wisconsin, you must:

1. Be at least 18 years old to drive within the state or 21 years old to drive interstate.
2. Possess a valid Wisconsin driver's license.
3. Pass a medical examination and obtain a medical certificate.
4. Obtain a learner's permit by passing the appropriate written tests.
5. Pass the skills test, which includes a pre-trip inspection, basic vehicle control test, and on-road driving test.

It is important to note that there may be additional requirements based on the type of vehicle you will be driving and the nature of your work. Additionally, CDL holders are subject to more stringent regulations regarding driving time and rest periods than non-commercial drivers.

A Class B Commercial Driver's License (CDL) in Wisconsin 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 less than 26,001 pounds. Some examples of vehicles that you can operate with a Class B CDL include:

1. Straight trucks (e.g., delivery trucks, dump trucks)
2. Buses (e.g., city buses, school buses)
3. Box trucks with attached trailers
4. Tractor-trailers with a single trailer
5. Large passenger vans (e.g., airport shuttles)

It's important to note that there may be additional endorsements required for certain types of vehicles, such as hazardous materials or passenger endorsements for buses and large vans. Additionally, some employers may have additional requirements beyond what is required by the state to operate certain types of vehicles.

To obtain a Class B Commercial Driver's License (CDL) in Wisconsin, you must meet the following requirements:

1. Be at least 18 years old to drive within the state or 21 years old to drive interstate.
2. Possess a valid Wisconsin driver's license.
3. Provide proof of U.S. citizenship or lawful permanent residency.
4. Submit a medical examination report and obtain a medical certificate from a licensed medical examiner.
5. Pass a vision test.
6. Pass the written knowledge test for the Class B CDL, which covers topics such as vehicle inspection, basic control skills, and safe driving practices.
7. Obtain a commercial learner's permit (CLP) by passing the appropriate written tests.
8. Complete behind-the-wheel training with a qualified instructor or employer.
9. Pass the skills test, which includes a pre-trip inspection, basic vehicle control test, and on-road driving test.

Additionally, there may be additional requirements for specific endorsements, such as hazardous materials or passenger endorsements for certain types of vehicles.

It's important to note that the process of obtaining a CDL can be time-consuming and require significant preparation and training. It is recommended to thoroughly study the Wisconsin Commercial Driver's Manual and seek out reputable training programs to ensure success in obtaining your CDL.

In Wisconsin, the minimum age requirement for a Class B Commercial Driver's License (CDL) is 18 years old. However, this only allows you to drive within the state of Wisconsin and cannot be used for interstate commerce. If you plan on driving across state lines, you must be at least 21 years old.

It's important to note that some employers may have age requirements beyond what is required by the state for certain types of vehicles or job positions. Additionally, certain endorsements may have additional age requirements, such as hazardous materials or passenger endorsements for buses and large vans.

Whether you need endorsements for a Class B Commercial Driver's License (CDL) depends on the specific type of vehicle you plan to operate and the cargo or passengers you plan to transport.

Below are the types of endorsements that may be required for a Class B CDL:

1. Passenger endorsement (P) - Required if you plan to transport 16 or more passengers (including the driver) in a single vehicle.

2. School bus endorsement (S) - Required if you plan to drive a school bus with passengers, which includes school children.

3. Tanker endorsement (N) - Required if you plan to transport liquids or gases in bulk containers with a capacity of 1,000 gallons or more.

4. Hazardous materials endorsement (H) - Required if you plan to transport hazardous materials, which are defined as any substance or material that has been determined by the Secretary of Transportation to be capable of posing an unreasonable risk to health, safety, and property when transported in commerce.

5. Combination Tanker/Hazmat endorsement (X) - Required if you plan to transport both hazardous materials and liquids or gases in bulk containers with a capacity of 1,000 gallons or more.

It's important to note that each endorsement requires passing a separate written test and may also require additional training and background checks.

The Class B Commercial Driver's License (CDL) skills test is broken down into three parts:

1. Pre-Trip Inspection: You will be asked to perform a pre-trip inspection of your vehicle. This includes checking the vehicle's brakes, tires, lights, steering, suspension, and other important components to ensure that the vehicle is safe to operate.

2. Basic Vehicle Control: You will be asked to demonstrate your ability to control the vehicle in a controlled environment. This includes tasks such as straight-line backing, offset backing, and parallel parking.

3. Road Test: You will be asked to demonstrate your ability to operate the vehicle in normal traffic situations. This includes driving on the road, making turns, changing lanes, and other maneuvers.

During the skills test, you will be evaluated on your ability to safely and effectively operate the vehicle and follow standard procedures. It's important to study and practice these skills before taking the test to ensure that you are fully prepared.

Additionally, if you plan on getting any endorsements for your Class B CDL (such as passenger or hazardous materials), you will also need to pass additional written and/or skills tests specific to those endorsements.

Yes, there are certain restrictions and limitations that apply to drivers with a Class B Commercial Driver's License (CDL) license. Below are the main restrictions and limitations for Class B CDL drivers:

1. Vehicle weight: A driver with a Class B CDL is allowed to operate vehicles with a gross vehicle weight rating (GVWR) of 26,001 pounds or more, but is not permitted to tow a vehicle with a GVWR of more than 10,000 pounds.

2. Passenger limits: If the driver has a passenger endorsement on their CDL, they are limited to carrying 16 or more passengers (including the driver). However, if the driver does not have a passenger endorsement, they are limited to carrying no more than 10 passengers.

3. Hazardous materials: If the driver has a hazardous materials endorsement on their CDL, they must follow strict rules and regulations for transporting hazardous materials, including special training and safety requirements.

4. State-specific restrictions: Some states may have additional restrictions or requirements for Class B CDL drivers beyond those set by the federal government. It's important for drivers to check with their state's Department of Transportation for any additional rules or regulations that may apply.

It's important for Class B CDL drivers to be aware of these restrictions and limitations in order to operate their vehicles safely and legally on the roads.

Yes, it is possible to take the Class B CDL written test in a language other than English in some states. The Federal Motor Carrier Safety Administration (FMCSA) requires that all CDL knowledge tests be offered in English, however, states have the option to offer the tests in additional languages.

If your state offers the Class B CDL written test in another language, you will need to contact your local Department of Motor Vehicles (DMV) or Department of Transportation (DOT) to find out what languages are available and what the requirements are for taking the test in another language.

In some cases, you may need to provide your own interpreter or pay an additional fee for a test in another language. It's important to check with your local DMV or DOT for specific requirements and procedures.

Yes, if you have a disability that requires accommodations in order to take the Class B CDL written test, you may request accommodations from your state's Department of Motor Vehicles (DMV) or Department of Transportation (DOT).

Under the Americans with Disabilities Act (ADA), individuals with disabilities are entitled to reasonable accommodations during the testing process. Reasonable accommodations may include things such as extra time, a reader, or a sign language interpreter.

To request accommodations for the Class B CDL written test, you will need to contact your local DMV or DOT and provide documentation of your disability and your need for accommodations. The DMV or DOT will then work with you to determine what accommodations are necessary and how they can be provided.

It's important to note that the process for requesting accommodations may vary by state, so it's best to contact your local DMV or DOT for specific information on how to request accommodations for the Class B CDL written test.

If you fail the Class B CDL written test, you will typically be allowed to retake the test. However, the specific rules and requirements for retaking the test may vary depending on your state's Department of Motor Vehicles (DMV) or Department of Transportation (DOT).

In most cases, you will need to wait a certain amount of time before you can retake the test. The waiting period may vary depending on your state, but it's usually between one and two weeks.

In addition, you may be required to pay a fee each time you retake the test. The fee amount may vary depending on your state, but it's typically around $10-$25 per retake.

It's important to note that if you fail the test multiple times, you may be required to complete additional training or education before you can retake the test again. This is to ensure that you have a better understanding of the material before taking the test again.

Overall, if you fail the Class B CDL written test, don't worry too much. You will likely be allowed to retake the test after a short waiting period and with additional preparation, you can increase your chances of passing.
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