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The air brakes endorsement applies to applicants who wish to drive a vehicle with air brakes in Class A, B, or C CDL. To drive a vehicle with air brakes, you must pass the air brake component of the Florida CDL knowledge test. The FL CDL air brakes test consists of 25 questions, and you'll need at least 20 correct answers to pass (80%). The test covers the information found in the air brakes section of the Florida CDL Manual. Take this FL CDL practice test now to prepare for the actual air brakes test!
1.
The total stopping distance for vehicles with air brake systems is made up of __ different factors.
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5
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3
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4
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2
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2.
If you are being tailgated, you should:
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try to let the other vehicle pass.
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drive on the shoulder.
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turn on your taillights.
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speed up.
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3.
To prevent rollover, you should:
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place the cargo near the rear of the trailer.
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place the cargo near the front of the trailer.
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keep the cargo as close to the ground as possible.
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put the lightest parts of the cargo under the heaviest parts.
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4.
Foundation brakes are used:
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only with the rear wheels.
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at each wheel.
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only with the right wheels.
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only with the front wheels.
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5.
To check the slack adjusters on S-cam brakes, you should:
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park on level ground, chock the wheels and release the parking brakes, then use gloves and pull hard on each slack adjuster that you can reach.
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park on level ground and fan off the air pressure by rapidly applying and releasing the foot brake.
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release the parking brake valve and begin reducing the air pressure by stepping on and off the brake pedal.
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All of the above.
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6.
After supplying air to the trailer brake system, you should check the brake system for crossed air lines by:
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applying and releasing the trailer brakes and listening for the sound of trailer brakes.
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shutting the engine off so you can hear the brakes.
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checking the air brake system pressure gauge for signs of major air loss.
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All of the above.
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7.
To check that spring brakes come on automatically, the first thing to do is to:
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turn off the engine, release the parking brake and time the air pressure drop.
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release the parking brake, move the vehicle forward slowly, and apply the brakes firmly.
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continue to step on and off the brake pedal until the air pressure falls to the manufacturer’s specification.
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All of the above.
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8.
An ABS system:
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gives you more control over the vehicle during braking.
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keep your wheels from locking when you brake hard.
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helps you avoid skids caused by over braking.
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All of the above.
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9.
Some vehicles have a separate air tank which can be used to:
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hold the vehicle or combination of vehicles stationary.
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unload cargo or passengers.
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turn on the 4-way emergency flashers.
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release the spring brakes.
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10.
ABS:
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improves your visibility at night.
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may cause your wheels to lock when you break hard.
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helps you avoid skids caused by over braking.
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helps you stop faster.
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Frequently Asked Questions
In Florida, you are eligible to apply for a learner's license at 15 years old. To obtain a full class E driver license, you must wait until you are 16 years old and have held a learner's license for at least one year. Alternatively, you can directly apply for a driver’s license at the age of 18.
The DMV written test in Florida can be taken through various options:
- In-Person Testing. Visit any Florida driver license office to take the knowledge test.
- Online Testing. If you are under 18, you have the option to take the exam online through a registered third-party administrator. After passing the test, the Department of Highway Safety and Motor Vehicles (FLHSMV) will be automatically notified.
- Driver Education Licensing Assistance Program (DELAP). Some high school driver education classes are authorized to provide the exam with this program. Upon passing the test, the result will be entered into Florida driving records by the same school.
After successfully completing your DMV test in Florida, it's important to ensure you have the necessary documentation. Here's a checklist of the required documents:
- Proof of identification (e.g., birth certificate or US Passport)
- Proof of Social Security Number
- Proof of residential address (e.g., home utility bill, home telephone bill, mortgage, etc.)
- Online test proctoring form (for those who completed the test online)
- Parental consent form application (if you are under 18 and unmarried)
If you complete the test through a registered third-party administrator, you don’t need to bring any extra document because the test results will be automatically notified.
The DMV written test in Florida is offered in various languages, including Arabic, Chinese, English, Haitian Creole, Russian, and Spanish. Although language options are provided, it is advisable to have a basic understanding of English since road signs are always in English.
You should read the Florida Driver' License Handbook to familiarize yourself with the driving laws, road signs, parallel parking, turning, passing a vehicle, yielding the right of way, etc. Evaluate your knowledge with our free practice tests, or sign up for DMV Premium to unlock exclusive PDF Cheat Sheets!
The DMV written test includes 50 multiple-choice questions. The questions cover various topics to ensure that applicants have a solid understanding of the rules of the road. Carefully study the manual to enhance your chances of passing the exam.
On the Florida DMV written test, you are allowed to miss up to 10 questions out of the total 50 in order to pass. This means you need a score of at least 80%. Take your time during the exam to make sure you understand the questions well.
For new drivers in Florida, the following restrictions apply:
- With a learner's license, you must be accompanied by a licensed driver who is at least 21. For the first three months you are restricted to daylight hours, then driving is allowed until 10 pm.
- At 16 with a driver license, you can drive alone except from 11 pm to 6 am, unless for work reasons or if accompanied by a licensed driver aged 21 or older.
- At 17 with a driver license, you can drive alone except from 1 am to 5 am, unless for work reasons or if accompanied by a licensed driver aged 21 or older.
- For those under 21, there is zero alcohol tolerance. If stopped with a Blood Alcohol Level (BAL) of .02 or higher, your license will be suspended for six months.
If you do not pass your DMV written test in Florida, you will need to pay the fee again for another attempt. Keep in mind that a service fee is applicable to all driver license transactions at a tax collector office. Focus on the sections of the manual you have overlooked to have a deep understanding of the driving laws.