Knowledge Test Class B #2
Class B Driving Test | Missouri 2026 #2 Page 7 of 7
Train for FREE online with our Missouri 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 MO 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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43 . A second felony conviction involving the use of a CMV will result in loss of license for:
A second felony conviction involving the use of a CMV will result in the loss of your CDL for life.
44 . ABS allows you to:
The function of an Anti-Lock Braking System (ABS) is to help prevent wheel lockup during hard braking. With ABS equipped on your vehicle, you should drive and brake in the same manner that you would without it.
45 . You should maintain at least ____ of following distance per every 10 feet of your vehicle when you are traveling more slowly than 40 mph.
At speeds below 40 mph, you should allow at least one second of following distance for every 10 feet of your vehicle. Follow the same formula when traveling at faster speeds, then add one additional second to your following distance. Remember that larger vehicles require more space to stop than smaller vehicles.
46 . Using a helper when backing up a large vehicle is:
Backing a CMV is always dangerous due to limited visibility, so using a helper to monitor your blind spots is encouraged whenever possible.
47 . When loading a trailer, you should:
A load of cargo must be properly balanced. Placing too much weight over an axle can damage the axle and make it more difficult for you to steer. Placing too little weight over an axle can cause poor traction, also leading to difficult handling.
48 . When starting from a stop:
To avoid hitting anything behind you, make sure that your vehicle does not roll back when you start from a complete stop.
49 . If there is a cargo fire in a box trailer:
The doors of a trailer should be not be opened in the event of a cargo fire, especially if the cargo includes hazardous materials. Opening trailer doors would increase the fire's oxygen supply, potentially causing the fire to increase in size.
50 . Eating while driving:
Eating while driving can be a dangerous distraction to the driver both because it diverts their attention away from the task at hand and requires them to remove a hand from the steering wheel.
2026 Missouri | Frequently Asked Questions
To secure a Doubles/Triples endorsement for your CDL in Missouri, you'll need to pass the Doubles/Triples Knowledge Test. This involves studying the relevant section in the Missouri CDL manual. After passing, you'll receive the endorsement on your CDL. Note, having a valid CDL and being at least 18 years old are prerequisites.
To obtain a CDL Doubles/Triples license, you must already have a valid CDL. You'll need to pass the Doubles/Triples Knowledge Test, which includes questions on coupling/uncoupling, inspecting doubles/triples, and handling. Study materials can be found in the CDL manual. Applicants must be at least 18 years old and meet all physical requirements.
No specialized experience or training is legally required for a CDL Doubles/Triples endorsement in Missouri. However, you must pass the Doubles/Triples Knowledge Test. Studying the relevant sections in the Missouri CDL manual can help prepare you. Practical experience or training in handling doubles/triples can be beneficial but isn't mandatory.
Yes, to receive a CDL Doubles/Triples endorsement in Missouri, you must take and pass the Doubles/Triples Knowledge Test. This test covers specific knowledge areas including coupling and uncoupling, inspecting doubles/triples, and handling of these types of vehicles. No additional driving skills test is required for this endorsement.
For the CDL Doubles/Triples endorsement in Missouri, there's no specific driving skills test. However, the Doubles/Triples Knowledge Test covers areas like coupling and uncoupling, inspecting doubles and triples, and handling these vehicles. It's important to understand these aspects theoretically, even though you don't have to demonstrate them practically for the test.
No, it is not permissible to operate double/triple trailers without a valid CDL Doubles/Triples endorsement in Missouri. Driving such vehicles without the proper endorsement is considered illegal and may lead to penalties, fines, or suspension of your commercial driving license. Always ensure you have the correct endorsements for the vehicle you are operating.
You can append the CDL Doubles/Triples endorsement to your current CDL. You don't need to initiate a new application for a CDL. However, you will need to pass the Doubles/Triples endorsement written test and pay the required fee to add this endorsement to your existing license in Missouri.
Yes, there are limitations for drivers holding a CDL Doubles/Triples endorsement in Missouri. Drivers must not exceed the maximum length and weight limits for double/triple trailers. They should also have a good driving record, pass the required knowledge tests, and maintain their physical health to meet the demands of driving larger, more complex vehicles.
The maximum weight for a double trailer in Missouri is 80,000 lbs and the maximum length is 81.5 feet. For triple trailers, the maximum gross weight is also 80,000 lbs, but the maximum length varies. It's important to note that these restrictions can change and it's recommended to check with local authorities for the most current regulations.
Yes, there are specific safety guidelines. Drivers must ensure proper coupling and uncoupling of trailers, correctly distribute the weight for safe handling, check all brake connections and trailer height before driving. Additionally, they must maintain a safe following distance, manage high-speed risks, and monitor the effect of wind and other weather conditions on the vehicle.