Knowledge Test Class B #2
Class B Driving Test | Wisconsin 2025 #2 Page 2 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 2025, 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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8 . If asked by a law enforcement officer to take a test to determine your blood alcohol concentration (BAC):
Most states have an Implied Consent Law, which means that by driving a vehicle on the state's roads, you have agreed to undergo a drug or alcohol test if a police officer asks you to do so. If you refuse to submit to a test, you will lose your operating privileges. Make sure you are aware of the laws for every state in which you drive.
9 . When conducting a vehicle inspection, you must show each of the following, except:
That the oil pressure gauge comes on when brakes are used.
When checking the oil pressure gauge as part of a vehicle inspection test, you must ensure that it is working. The gauge should show increasing or normal oil pressure, or the oil pressure warning light should turn off. If equipped with one, the oil temperature gauge should begin a gradual rise to the normal operating range.
10 . Distracted drivers may be:
Not talking to anyone else in their vehicles.
You may be able to tell that another driver is distracted if you can see them drifting within a lane or across lane dividers; traveling at inconsistent speeds; being preoccupied with a cell phone, a map, food, or other items; or engaging in conversation with passengers.
11 . A tread depth of ____ should be in every major groove of a tire that is not in the front of a commercial motor vehicle.
For safe operation, a commercial motor vehicle needs a tread depth of 4/32 of an inch in every major groove on the front tires, and a tread depth of 2/32 of an inch on other tires.
12 . If you are being tailgated, you should:
Allow the vehicle to pass.
If someone is tailgating you, it is a good idea to open up the space ahead of your vehicle to make it easier for the driver to pass you. Increasing your speed is not a good idea because the driver may continue to tailgate you at the higher speed, only increasing the danger.
13 . In cold weather, an alcohol evaporator should be checked and filled:
Once a month.
An alcohol evaporator can help prevent ice from building up in an air brake system. In cold weather, the evaporator should be checked and refilled every day.
14 . Vehicles carrying a load that extends more than four feet beyond the rear of the vehicle must:
If a load extends more than four feet beyond the rear of a vehicle, it must be marked by a red flag during daylight hours. It should be marked by a red lamp when it is dark out.
2025 Wisconsin | Frequently Asked Questions
To secure a CDL Doubles/Triples endorsement in Wisconsin, you must have a valid Class A CDL. You'll need to pass the Doubles and Triples Endorsement knowledge test, which covers handling, coupling/uncoupling, inspecting doubles/triples, and more. After passing the test, the endorsement will be added to your CDL. Remember, driving experience with similar vehicles is recommended.
To obtain a CDL Doubles/Triples endorsement, you must already have a valid Class A Commercial Driver's License (CDL). You'll then need to pass the Doubles/Triples Endorsement knowledge test. The test covers topics like coupling and uncoupling, inspecting doubles and triples, and handling. Once you pass the test, the endorsement is added to your CDL.
While Wisconsin does not explicitly require specialized experience or training for a CDL Doubles/Triples endorsement, it's highly recommended. The endorsement requires passing a knowledge test that covers handling, inspecting, and coupling/uncoupling doubles and triples. Having practical experience with similar vehicles can significantly help in understanding these areas and successfully passing the test.
Yes, an extra written knowledge test is mandatory to obtain the CDL Doubles/Triples endorsement in Wisconsin. The test covers topics like coupling and uncoupling, inspecting doubles and triples, and handling. There is no additional skills or road test required specifically for this endorsement. Once you pass the written test, the endorsement is added to your CDL.
The CDL Doubles/Triples endorsement primarily requires a knowledge test, not a skills test. The knowledge test focuses on coupling and uncoupling, inspecting doubles and triples, and crucial safety rules. However, practical skills like maneuvering such vehicles safely, understanding the high rollover risk, and managing the longer stopping distances might be needed while operating the vehicle in real-world scenarios.
No, it is not permissible. In Wisconsin, like in all states, you must have a valid CDL Doubles/Triples endorsement to legally operate double or triple trailers. Operating such vehicles without the proper endorsement can lead to serious penalties, including fines and suspension of your commercial driving privileges. Always ensure you have the correct endorsements for the vehicle you're operating.
You can append the CDL Doubles/Triples endorsement to your existing CDL. You don't need to initiate a new license application. However, you must pass the required written knowledge test for the endorsement. Once you successfully pass the test, the Doubles/Triples endorsement will be added to your current CDL.
Yes, drivers holding a CDL Doubles/Triples endorsement in Wisconsin are subject to certain limitations and constraints. They are allowed to operate vehicles with double or triple trailers, but the total length of the combination cannot exceed 68 feet. Additionally, they must adhere to specific weight restrictions and follow all applicable traffic laws and regulations.
In Wisconsin, the maximum length for a double/trailer combination is 75 feet. For weight, the maximum gross vehicle weight is 80,000 pounds. However, the weight of each axle is also regulated, and cannot exceed 20,000 pounds for a single axle or 34,000 pounds for a tandem axle group. These restrictions ensure safe operation of large commercial vehicles on the road.
Yes, drivers with a CDL Doubles/Triples endorsement must follow specific safety regulations. These include not exceeding the maximum weight and length restrictions, ensuring secure coupling and uncoupling of trailers, and following safe driving practices like keeping a safe distance, checking mirrors frequently, and using proper braking techniques. Regular vehicle inspections are also required to ensure safety.