Air Brakes #2
Air Brakes Endorsement Test | Alabama 2025 #2 Page 4 of 4
Train for FREE online with our Alabama 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 AL 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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19 . The ____ tells a driver how much pressure is in the air tanks.
Drum brake
A vehicle that is equipped with air brakes must also be equipped with a supply pressure gauge. This gauge tells the driver how much air pressure is in each of the vehicle's air tanks.
20 . When parking, you should not use the parking brake if:
If your brakes are hot after coming down a steep grade, you should not use your parking brake when parking. Let your brakes cool before applying the parking brake or risk damaging the brakes.
21 . If the spring brakes are on, you should:
Be especially careful because the brakes may fail.
You should not apply the brake pedal if the spring brakes are activated. The brakes could be damaged if they are subjected to the force of air pressure and the springs at the same time.
22 . To stop in a vehicle that uses air brakes, the driver should:
Pull the brake pedal up.
To make a normal stop in a vehicle with air brakes, push the brake pedal down. The harder the pedal is pressed, the more air pressure is released.
23 . A low air pressure warning signal should activate:
In an air brake system, a low air pressure warning signal must come on if air pressure in the tanks falls below 60 psi. This warning signal may come in the form of a light, a buzzer, or a wig wag.
24 . Anti-Lock Braking Systems (ABS):
If equipped, ABS is in addition to a vehicle's normal braking system and does not increase or decrease the braking power of any other system. ABS only activates when a vehicle's wheels are about to lock.
25 . Brakes may get out of adjustment:
If they get wet.
Brakes can get out of adjustment quickly, especially if they are used to the point of overheating. Brake adjustment should be checked frequently.
2025 Alabama | Frequently Asked Questions
To secure a CDL Bus endorsement in Alabama, you must first have a valid Commercial Driver's License (CDL). Then, you need to pass the Passenger Vehicles endorsement written test. After passing the written test, you will need to complete a skills test in the type of vehicle you plan to drive. The Alabama Law Enforcement Agency (ALEA) administers these tests.
To obtain a CDL Bus license in Alabama, you must have a valid driver's license, pass a medical examination, and complete a CDL application. You need to pass the General Knowledge test, the Passenger Endorsement written test, and the School Bus Endorsement written test if applicable. Finally, you need to successfully complete a skills test in an appropriate vehicle.
While Alabama doesn't mandate specific training for a CDL Bus endorsement, it's beneficial to undergo professional training to learn about bus-specific regulations, safety considerations, and operation. Experience is not required, but you must pass the General Knowledge Test, Passenger Endorsement Test, and a skills test in a vehicle similar to the one you'll be driving.
CDL Bus licenses in Alabama fall into three classifications: Class A, B, and C. Class A is for vehicles with a combined weight over 26,001 lbs., where the vehicle being towed is over 10,000 lbs. Class B is for single vehicles over 26,001 lbs. Class C is for vehicles designed to transport 16 or more passengers, including the driver.
No, you cannot use your personal vehicle for the CDL Bus driving test in Alabama. The vehicle used for the test must match the type and class of vehicle that matches the CDL license you are seeking. For a bus endorsement, you need to test in a bus of the appropriate size and type.
During the CDL Bus driving test in Alabama, your driving skills will be evaluated. These include pre-trip inspection, basic vehicle control, and on-road driving. You may be asked to perform maneuvers such as parallel parking, backing up, making turns, and navigating intersections. Your ability to handle bus-specific operations like loading/unloading passengers, use of emergency exits, and understanding special traffic rules for buses will also be tested.
Yes, to obtain a CDL Bus endorsement in Alabama, applicants must pass a Department of Transportation (DOT) physical examination. This exam ensures drivers have no medical conditions that could affect their ability to operate a commercial vehicle safely. It includes vision and hearing tests, blood pressure checks, and assessments for conditions like diabetes or heart disease.
No, it's illegal to transport passengers in Alabama without a valid CDL Bus endorsement. This endorsement is required for drivers who operate a vehicle designed to transport 16 or more passengers, including the driver. Failure to have the appropriate endorsement can result in fines, license suspension, or even jail time.
You can add the CDL Bus endorsement to your existing CDL in Alabama. You don't need a new application. However, you must pass the Passenger Transport test and a skills test in a vehicle similar to the one you'll be driving. After passing these tests, the endorsement can be added to your license.
Yes, there are restrictions. Drivers with a CDL Bus endorsement must adhere to federal and state transportation laws, including hours-of-service rules, which limit the number of hours they can drive without rest. They must also pass regular physical examinations to ensure they're fit to drive and maintain a clean driving record. Violations can result in endorsement suspension or revocation.