Knowledge Test Class B #1
Class B Driving Test | Wisconsin 2026 #1 Page 5 of 7
Train for FREE online with our Wisconsin class B license test. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a WI CDL class B permit in 2026, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that CDL class B requirements may vary from state to state.
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29 . Dry bulk tanks:
Cannot be driven on interstates.
Dry bulk tanks require special care when being driven because they have high centers of gravity. Drivers should also be careful because the materials being carried can easily shift in transit, causing a change in the vehicle's handling.
30 . If your vehicle is equipped with a cargo lift, you should ensure that:
The lift is the proper color.
When checking a cargo lift as part of your vehicle inspection test, you should check for leaking, damaged, or missing parts. The lift must be fully retracted and latched securely.
31 . What do air brakes use to make the brakes work?
Many large CMVs are equipped with air brakes. An air braking system uses compressed air to operate.
32 . Brakes can get out of adjustment quickly, especially:
Brakes are particularly prone to getting out of adjustment if they are hot. Be sure to routinely check the adjustment of your brakes. For a vehicle to be safely controlled, all brakes must be properly functioning and adjusted.
33 . To prevent fatigue while driving, you should:
Close the vents.
A hot, poorly-ventilated area can make a person sleepy. Opening a window, opening a vent, or using the air conditioning can help keep the cab cool and reduce the risk of fatigue.
34 . The center of gravity in a trailer should be:
The weight of cargo in a vehicle should be distributed as low as possible. Having a center of gravity that is too high will increase the risk of a rollover.
35 . In general, the length limit for a combination of 2 vehicles and load is:
100 feet
Under Wisconsin law, the length of a 2 vehicle combination, including the load, is generally limited to 65 feet.
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2026 Wisconsin | Frequently Asked Questions
To acquire a CDL Passenger endorsement in Wisconsin, you must first have a valid Commercial Driver's License (CDL). Then, you need to pass the Passenger Vehicles knowledge test. After passing the test, you will need to pass a skills test in a passenger vehicle. You can prepare for these tests using the Wisconsin Commercial Driver's Manual.
To obtain a CDL Passenger license in Wisconsin, you must hold a valid Commercial Driver's License (CDL), pass the Passenger Vehicles knowledge test, and complete a skills test in a passenger vehicle. Additionally, you must be at least 21 years old, have good vision, pass a medical examination, and have a clean driving record.
While Wisconsin doesn't mandate specific training for a CDL Passenger endorsement, it's highly recommended. Training can help you pass the Passenger Vehicles knowledge test and the skills test. Experience driving commercial vehicles is beneficial but not required. Studying the Wisconsin Commercial Driver's Manual is essential to understand rules and regulations.
Yes, to obtain a CDL Passenger endorsement in Wisconsin, you must pass the Passenger Vehicles knowledge test. This written exam covers topics like inspecting passenger vehicles, loading and trip start procedures, on-the-road driving, after-trip vehicle inspections, prohibited practices, and use of brake-door interlocks.
During the CDL Passenger endorsement assessment in Wisconsin, you will need to showcase skills such as proper vehicle inspection, safe loading and unloading of passengers, effective communication with passengers, maneuvering in tight spaces, driving defensively, and handling emergency situations. It is crucial to demonstrate your ability to operate the vehicle safely and efficiently while prioritizing the comfort and well-being of your passengers.
No, you cannot legally transport passengers in Wisconsin without a valid CDL Passenger endorsement. This endorsement is required for drivers who wish to drive a vehicle designed to carry 16 or more passengers, including the driver. Driving such vehicles without the proper endorsement can result in legal penalties, including fines and potential suspension of your license.
Yes, you can add the CDL Passenger endorsement to your existing Commercial Driver's License (CDL) in Wisconsin. You don't need a new application for the CDL itself. However, you will need to pass the Passenger Vehicles knowledge test and pay the required fee to add this endorsement to your current CDL.
Yes, there are limitations and restrictions for drivers with a CDL Passenger endorsement in Wisconsin. Some of these include:
1. Vehicle type: The endorsement is specific to operating vehicles designed to transport 16 or more passengers, including the driver.
2. Passenger age: If the vehicle is used for transporting school children, additional endorsements may be required based on the age group being transported.
3. Endorsement renewal: The CDL Passenger endorsement must be renewed every four years along with the regular CDL renewal.
4. Medical certification: Drivers with a CDL Passenger endorsement must maintain a valid medical certificate to ensure they meet the physical requirements for operating passenger vehicles.
5. Background checks: Certain employers may require additional background checks or screenings for drivers with a CDL Passenger endorsement, such as fingerprinting or criminal history checks.
It is essential to familiarize yourself with these limitations and restrictions to ensure compliance and safe operation of passenger vehicles.
1. Vehicle type: The endorsement is specific to operating vehicles designed to transport 16 or more passengers, including the driver.
2. Passenger age: If the vehicle is used for transporting school children, additional endorsements may be required based on the age group being transported.
3. Endorsement renewal: The CDL Passenger endorsement must be renewed every four years along with the regular CDL renewal.
4. Medical certification: Drivers with a CDL Passenger endorsement must maintain a valid medical certificate to ensure they meet the physical requirements for operating passenger vehicles.
5. Background checks: Certain employers may require additional background checks or screenings for drivers with a CDL Passenger endorsement, such as fingerprinting or criminal history checks.
It is essential to familiarize yourself with these limitations and restrictions to ensure compliance and safe operation of passenger vehicles.
Yes, in Wisconsin, you must be at least 18 years old to apply for a Commercial Driver's License (CDL) with a Passenger endorsement for intrastate driving (within Wisconsin only). However, federal regulations require that you must be at least 21 years old to drive a commercial motor vehicle across state lines, or to transport hazardous materials or school children.
With a Commercial Driver's License (CDL) Passenger endorsement in Wisconsin, you will be eligible to operate a wide range of passenger vehicles. These include buses, shuttles, and any other commercial vehicles designed to transport 16 or more passengers, including the driver. This endorsement also allows you to drive a vehicle used for fee-based transportation services.
