Knowledge Test Class B #2
Class B Driving Test | Minnesota 2025 #2 Page 4 of 7
Train for FREE online with our Minnesota 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 MN 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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22 . A thin layer of ice that forms on road surfaces is called:
Blue ice.
Black ice is a thin layer of ice that is clear enough for the road surface to be seen through it. A road covered in black ice may look like it is merely wet. You should be very careful when temperatures are below freezing and the road looks wet.
23 . If driving a school bus, your four-way flashers should:
Only be used near railroad tracks if a train is approaching.
When driving a school bus, you must activate your four-way flashers while approaching and crossing a railroad crossing. Deactivate the flashers once your entire vehicle has cleared the tracks.
24 . Once a vehicle is started, coolant temperature should steadily and quickly decrease.
After a vehicle is started, the coolant temperature should gradually begin to rise to a normal operating range.
25 . When transporting cargo, you should check on the cargo every 150 miles.
The securement of cargo must be checked before beginning a trip, within the first 50 miles of a trip, and then again every three hours or 150 miles.
26 . During the basic control skills test, you will receive points if you:
The examiner will score the number of times your vehicle touches or crosses an exercise boundary line. Each encroachment will count as an error, resulting in points against your skills test score.
27 . Interstate transportation means transporting cargo within one state.
Interstate transportation refers to trade, traffic, or transportation between one state and another state or country; between two places in a state that are on a route that crosses into another state or country; or between two places in a state as a part of trade, traffic, or transportation originating or terminating outside the state.
28 . During the on-road driving test, you must do all of the following, except:
Obey all traffic signs and signals, but only if other traffic is present.
You must drive in a safe and responsible manner during the on-road driving test. This includes wearing your safety belt; obeying all traffic signs, signals, and laws; and completing the test without an accident or moving violation.
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2025 Minnesota | Frequently Asked Questions
To secure a CDL Doubles/Triples endorsement in Minnesota, you must first possess a valid CDL. You then need to study the relevant section in the Minnesota Commercial Driver's Manual and pass the written knowledge test at a DVS exam station. The endorsement will be added to your CDL upon passing the test.
To obtain a CDL Doubles/Triples license, you must first hold a valid Commercial Driver's License (CDL). Then, study the relevant sections in your state's Commercial Driver's Manual. After studying, take and pass the Doubles/Triples endorsement knowledge test at your local DMV. This endorsement will be added to your CDL upon passing.
No specific experience or training is legally required to obtain a CDL Doubles/Triples endorsement. However, you need to have a valid CDL. You must study the relevant sections of your state's Commercial Driver's Manual and pass the written knowledge test. Practical experience or training driving such vehicles can be beneficial but is not mandatory.
Yes, to obtain a CDL Doubles/Triples endorsement, you are required to pass an additional written knowledge test. This test focuses on specific rules and safety regulations for driving double and triple trailers. The specific content of the test can be found in your state's Commercial Driver's Manual.
Actually, there is no specific skills test or road test required for the Doubles/Triples endorsement on your CDL. You only need to pass a written knowledge test. This focuses on understanding the handling and safety rules for double and triple trailers, such as coupling and uncoupling, inspecting doubles and triples, and checking air brakes.
No, it's not permissible. In Minnesota, like in all states, you must have a valid Commercial Driver's License (CDL) with a Doubles/Triples endorsement to legally operate double or triple trailers. Operating these vehicles without the proper endorsement can result in serious penalties, including fines and suspension of your driving privileges.
You can add the Doubles/Triples endorsement to your current commercial driver's license (CDL). You don't need to initiate a new application for a CDL. However, you will need to pass the Doubles/Triples written knowledge test and pay the required fees to add this endorsement to your existing CDL.
Yes, there are limitations. While a CDL Doubles/Triples endorsement allows you to drive vehicles with more than one trailer, it doesn't permit you to drive all types of commercial vehicles. For instance, if you want to drive a school bus or a tanker truck, you would need additional endorsements. Also, federal regulations limit the overall length of these vehicles.
In Minnesota, the maximum weight limit for double/triple trailers is 80,000 pounds. The maximum length for a double trailer is 81 feet 6 inches. For a triple trailer, the length should not exceed 100 feet. These limits can vary based on road and bridge laws, so always check local regulations.
Yes, there are specific safety guidelines. Drivers with a CDL Doubles/Triples endorsement must follow regulations regarding securement of cargo, regular vehicle inspections, and maintaining safe following distances. They must also be trained in coupling and uncoupling of units and be aware of the high rollover risk associated with these types of vehicles due to their length and weight.
