Knowledge Test Class B #1
Class B Driving Test | Florida 2026 #1 Page 6 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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36 . When loading cargo, weight should be placed:
A vehicle is vulnerable to tipping over if its center of gravity is too high. To prevent this, you should distribute the weight of your cargo evenly and as low as possible.
37 . If you commit an offense that results in the loss of your basic driving privileges:
You will lose your CDL if you commit an offense that results in the loss of your basic driving privileges. This includes disqualifying offenses committed in personal, non-commercial vehicles.
38 . One way to prevent hydroplaning on wet road surfaces is to:
When driving on a wet road surface, the risk of hydroplaning is increased if your tire pressure is too low or your tire tread is too worn. If you begin to hydroplane, release the accelerator and push in the clutch to slow down.
39 . If your brakes fail while you are traveling downhill and there is no available escape ramp, you should:
If your brakes fail while you are driving downhill, you should first look for an escape ramp to stop your vehicle. If no ramp is available, you should look for an alternative place to bring your vehicle to a stop, such as an open field or side road that flattens out or turns uphill.
40 . An alcohol evaporator in an air brake system:
Some air brake systems include an evaporator that introduces alcohol into the system. The alcohol can help prevent ice from forming within the system.
41 . You will often have to drive your vehicle under bridges and overpasses. If approaching such an opening, you should:
Do not assume that posted height clearances are accurate. If the road was repaved after the sign was posted, or if there is packed snow on the ground, the actual height of the opening may be different than what is indicated. If you are not confident that your vehicle will be able to safely clear an upcoming bridge or overpass, you should slow down and find another path, if possible.
42 . When leaving your vehicle unattended:
In general, you should always use the parking brake when parking your vehicle. However, you should not apply the parking brake if your brakes are very hot or if your brakes are wet and temperatures are below freezing.
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2026 Florida | Frequently Asked Questions
A CDL Class A license in Florida allows the holder to operate any combination of vehicles with a Gross Combination Weight Rating (GCWR) of 26,001 pounds or more, provided the vehicle(s) being towed have a GVWR of 10,001 pounds or more. It covers vehicles like tractor-trailers, truck and trailer combinations, and livestock carriers.
With a Class A CDL license, you can operate vehicles such as tractor-trailers, truck and trailer combinations, tank vehicles, and livestock carriers. This license also covers flatbeds, and vehicles towing trailers or other vehicles over 10,000 pounds. However, additional endorsements may be required for certain types of vehicles like school buses or tank trucks.
To obtain a Class A CDL license in Florida, you must be at least 18 years old (21 for interstate driving), hold a valid Florida driver's license, and pass a vision test. You'll also need to pass a general knowledge test, a combination vehicle test, and a skills test which includes a pre-trip vehicle inspection, basic controls, and on-road driving.
To qualify for a Class A CDL license in Florida, you must be at least 18 years old for intrastate driving (within Florida only) and at least 21 years old for interstate driving (across state lines). You also need to have a valid regular driver's license and pass both written and skills tests.
While a Class A CDL license covers a broad range of large vehicles, specific endorsements are required for certain types of vehicles or cargo. For example, to drive a tanker vehicle, school bus, or hazmat vehicle, you need a Tank (N), School Bus (S), or Hazardous Material (H) endorsement respectively. Each endorsement requires an additional knowledge test.
The Class A CDL skills test encompasses three main areas. The pre-trip vehicle inspection tests your ability to assess if your vehicle is safe to drive. The basic controls test assesses your ability to control the vehicle, back up, and perform turns. The on-road driving test evaluates your driving skills in various traffic situations, including left and right turns, intersections, railway crossings, and highways.
Yes, there are certain limitations for Class A CDL license holders. For instance, they may be restricted to driving automatic transmission vehicles if they took their skills test in such a vehicle. They might also be restricted from driving tank or passenger vehicles or carrying hazardous materials unless they have the appropriate endorsements. Additionally, all CDL holders must comply with federal hours-of-service regulations.
Yes, it is possible to take the written Class A CDL test in languages other than English in Florida. The Florida Department of Highway Safety and Motor Vehicles offers the test in Spanish. However, the Federal Motor Carrier Safety Administration requires that all CDL holders can read and speak English sufficiently to converse with the general public, understand highway traffic signs and signals, respond to official inquiries, and make entries on reports and records.
Yes, accommodations can be made for individuals with disabilities taking the Class A CDL written test in Florida. These may include providing the test in an audio format or allowing extra time. It's necessary to request these accommodations ahead of time from the Florida Department of Highway Safety and Motor Vehicles (DHSMV).
Yes, if you fail the Class A CDL written test in Florida, you can retake it. However, you must wait until the next day to do so. If you fail the test three times, you're required to complete a driver education course before you can attempt the test again. Always make sure to review the areas where you struggled before retaking the test.
