Air Brakes #1
Air Brakes Endorsement Test | Florida 2025 #1 Page 3 of 4
Train for FREE online with our Florida CDL air brake 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 Class A/Class B driver license 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 the requirements for CDL may vary from state to state.
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13 . Before driving a vehicle with a dual air brake system, you must wait for the air compressor to build a minimum of ____ in both the primary and secondary systems.
100 psi
Before driving a vehicle with a dual air brake system, you should wait for the air compressor to build up at least 100 psi in both the primary and secondary systems.
14 . What can happen if a parking brake is used in very wet weather when temperatures are below freezing?
The brakes may explode.
If you use the parking brakes when the weather is very wet and the temperature is below freezing, the brakes may become frozen, preventing the vehicle from moving.
15 . What happens if the air pressure in a system's air tanks falls below 60 psi?
The vehicle should stop.
In an air brake system, a low pressure warning signal should activate if the pressure in the air tanks falls to a level below 60 psi. This signal may be in the form of a warning light or a wig wag.
16 . Both systems in a dual air brake systems share:
An air compressor.
Both systems in a dual air brake system share a single air compressor. If the air compressor is damaged, neither system will be able to operate properly.
17 . When using the controlled braking method in an emergency situation, you should:
Apply the brakes with minimal pressure.
The controlled braking method for emergency stops involves applying the brakes as hard as you can without locking the wheels. Keep steering wheel movements small when braking in this way.
18 . Some air brake systems use alcohol:
To reduce the risk of rust forming on air brake valves.
Some air brake systems contain an alcohol evaporator. This device introduces alcohol into the braking system to inhibit the formation of ice.
See the exact questions that will be on the 2025 Florida DMV exam.
99.2% of people who use the cheat sheet pass the FIRST TIME
Lillian MCcranie explains how our CDL study guide was helpful in passing the exam and recommends it to everyone.
Cameron tells us how he purchased the CDL exam, and found it to be a useful tool which helped him pass the exam and find a job.
2025 Florida | Frequently Asked Questions
To secure a CDL Bus endorsement in Florida, you must first possess a valid Commercial Driver's License (CDL). Then, pass the Passenger Transport Test and a skills test in the type of vehicle you wish to drive. You must also provide proof of U.S. citizenship or lawful permanent residency. Lastly, you'll need to pass a medical examination and maintain a clean driving record.
To obtain a CDL Bus license, you need to have a valid driver's license, be at least 21 years old, and pass a vision test. You must also pass written knowledge tests, including the General Knowledge Test and the Passenger Transport Test. After this, you need to pass a skills test in the type of bus you will be driving. A medical examination is also required.
Yes, specific training is necessary for a CDL Bus endorsement. Applicants must complete a state-approved commercial driver training course and pass both written and skills tests, which cover vehicle inspection, basic controls, and on-road driving. While not always required, previous experience driving similar vehicles can be beneficial in successfully obtaining the endorsement.
CDL Bus licenses fall under three classes in Florida: Class A, B, and C. Class A is for vehicles with a combined weight of over 26,001 lbs., where the towed vehicle is over 10,000 lbs. Class B is for single vehicles over 26,001 lbs or towing a vehicle not over 10,000 lbs. Class C is for vehicles designed to transport 16 or more passengers (including the driver), or hazardous materials.
No, you can't use your personal vehicle for the CDL Bus driving test. The vehicle used for testing must match the class of CDL license you're applying for. So, if you're applying for a bus endorsement, you must take the test in a commercial bus. This ensures you can handle and operate the specific vehicle safely and efficiently.
The CDL Bus driving test evaluates skills such as pre-trip vehicle inspection, basic vehicle control, and on-road driving. You'll be tested on maneuvers like left and right turns, railroad crossings, stop intersections, and expressway driving. It also includes skills like parallel parking or docking in an alley. Safety protocols for loading/unloading passengers may also be assessed.
Yes, to obtain a CDL Bus endorsement in Florida, you need to pass a Department of Transportation (DOT) physical examination. This test ensures that you're physically capable of operating a commercial vehicle safely. It assesses your vision, hearing, blood pressure, and checks for conditions like diabetes or heart disease that could affect your driving ability.
No, it is not permissible. In Florida, driving a commercial vehicle designed to transport 16 or more passengers, including the driver, requires a Commercial Driver's License (CDL) with a Passenger (P) endorsement. Driving such a vehicle without the appropriate license and endorsement is illegal and can lead to significant penalties.
You can add a CDL Bus endorsement to your existing CDL. It doesn't require a new application for a license, but rather an additional test. You'll need to pass a written passenger transport test and a skills test in the type of vehicle you'll be driving. Once passed, the endorsement is added to your existing CDL.
Yes, there are restrictions for drivers with a CDL Bus endorsement. For instance, school bus drivers must be at least 21, pass a background check, and meet physical, hearing, and vision requirements. Additionally, commercial bus drivers cannot drive more than 10 hours following 8 consecutive hours off duty, or for any period after having been on duty 15 hours following 8 consecutive hours off duty.
