Knowledge Test Class B #1
Class B Driving Test | Florida 2026 #1 Page 7 of 7
Train for FREE online with our Florida 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 FL 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 . Wheels with welding repairs are:
Wheels or rims that have had welding repairs are not safe for use. They should be replaced before the vehicle is taken on the road.
44 . If driving through flowing water or a large puddle, you should:
It is best to avoid driving through large puddles or moving water. If there is no way to avoid driving through water, you should slow down, shift into a low gear, and gently apply the brakes. Pressing linings against the brake drums or discs will keep water, mud, silt, and sand from getting inside the brake mechanisms.
45 . To stay alert while driving, you should:
Splitting driving responsibilities with a second driver lowers the chance that either of you will drive while fatigued. You can also reduce the risk of fatigue by avoiding heavy foods and keeping the interior of the cab cool.
46 . When driving a vehicle equipped with an Anti-Lock Braking System (ABS), you should:
Drivers of vehicles equipped with ABS and drivers of vehicles without ABS should brake in relatively the same manner. When ABS is working properly, it automatically applies when brakes are applied in situations that may create lockup.
47 . Hanging meat as cargo is usually:
A cargo of hanging meat can be very unstable, both because the meat swings about in transit and because its center of gravity is high.
48 . A Class 1 hazardous material is:
The first hazardous materials class includes explosives such as ammunition, dynamite, and fireworks.
49 . When encountering a railroad crossing during the driving test, you should:
During the on-road driving test, you must not stop, change gears, pass another vehicle, or change lanes while any part of your vehicle is in a railroad crossing.
50 . A driver must have a CDL if operating a vehicle that is designed to carry a driver and how many passengers?
A driver must have a CDL to operate a vehicle designed to transport 16 people or more, including the driver.
2026 Florida | Frequently Asked Questions
To secure a CDL Doubles/Triples endorsement in Florida, you must already have a Commercial Driver's License (CDL). You'll need to pass the Florida doubles/triples endorsement written test, which covers topics like coupling and uncoupling, inspecting doubles and triples, and handling. After passing the test, you'll receive your endorsement. Remember, driving experience with larger vehicles can be beneficial.
To obtain a CDL Doubles/Triples license, you must already have a Commercial Driver's License (CDL). You'll need to pass the doubles/triples endorsement written test. This test covers topics like coupling and uncoupling, inspecting doubles and triples, and handling. You might also need to demonstrate practical skills. Prior experience with larger vehicles may be beneficial.
While specialized experience or training isn't a legal requirement for a CDL Doubles/Triples endorsement, it's highly recommended. This endorsement involves handling larger, more complex vehicles. Understanding coupling and uncoupling, inspecting doubles and triples is crucial. Many applicants find it helpful to take a training course before attempting the written test to increase their chances of passing.
Yes, an extra written test is required to obtain a CDL Doubles/Triples endorsement in Florida. This test covers specific topics related to driving double and triple trailers, such as coupling and uncoupling, inspecting these types of trailers, and safe driving practices. Practical exams may also be required depending on the applicant's experience and competence.
The CDL Doubles/Triples endorsement test is a written exam, so no physical driving skills or maneuvers are required. The test focuses on knowledge of specific areas such as understanding the different parts of the vehicle, how to couple/uncouple trailers, inspecting doubles/triples, and understanding the handling and stability issues associated with these types of vehicles.
No, it's not permissible. In Florida, like in all U.S. states, drivers must have a valid CDL with a Doubles/Triples endorsement to legally operate double or triple trailers. Operating such vehicles without the proper endorsement can result in serious penalties, including fines and suspension of your commercial driving privileges.
Yes, you can append the CDL Doubles/Triples endorsement to your current commercial driver's license. You don't need to initiate a new application for a whole license. However, you will need to pass the appropriate knowledge test and pay the required fee for the endorsement. Remember, driving skills may also be assessed depending on your state's regulations.
Yes, there are constraints for drivers holding a CDL Doubles/Triples endorsement in Florida. Drivers must not exceed the maximum weight limit of 80,000 pounds and the maximum length of each trailer should not exceed 28.5 feet. Also, drivers are required to conduct regular inspections and maintain a logbook of their driving hours to ensure compliance with federal regulations.
Florida adheres to federal size regulations for Interstate highways, which limit the overall length of doubles to 28.5 feet per trailer and triples to 28.5 feet for the first two trailers. The maximum weight for a vehicle is typically 80,000 pounds depending on axle spacing. However, special permits may allow larger sizes or weights under certain circumstances.
Yes, drivers with a CDL Doubles/Triples endorsement must follow specific safety guidelines. These include conducting pre-trip inspections, understanding safe driving rules such as avoiding sudden movements, maintaining a safe following distance, checking brakes regularly, and understanding the complexities of backing up double/triple trailers. Additionally, they must comply with all FMCSA (Federal Motor Carrier Safety Administration) regulations.