Air Brakes #1
Air Brakes Endorsement Test | Georgia 2026 #1 Page 3 of 4
Train for FREE online with our Georgia 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 GA Class A/Class B driver license 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 the requirements for CDL may vary from state to state.
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13 . During a static leakage test, the maximum leakage rate for a double combination vehicle is:
4 psi in one minute.
When performing a static leakage test on a double combination vehicle with air brakes, the leakage rate should be no more than 3 psi in one minute. If air leaks from the air brake system at a quicker rate, the vehicle should not be driven because something likely needs to be repaired.
14 . When only the tractor is equipped with an Anti-Lock Braking System (ABS):
The brakes will become more sensitive.
If a tractor is equipped with an Anti-Lock Braking System (ABS) but the trailer is not, the risk of jackknifing will be reduced and the driver should still be able to maintain steering control. If only the trailer is equipped with ABS, it is less likely that the trailer will swing out to one side.
15 . 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.
16 . Vehicles with dual air brake systems:
Do not need time to build air pressure before a trip.
Before driving a vehicle with a dual air brake system, you must allow the air compressor time to build up at least 100 psi of air pressure in both the primary and secondary systems.
17 . 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.
18 . Before a vehicle with dual air brakes is driven, pressure of at least ____ should be built up in both braking systems.
100 psi
Before driving a vehicle with a dual air brake system, allow time for the air compressor to build up pressure of at least 100 psi in both the primary and secondary systems.
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2026 Georgia | Frequently Asked Questions
To secure a CDL Doubles/Triples endorsement in Georgia, you must already possess a Commercial Driver's License (CDL). Then, you must pass the Doubles/Triples endorsement knowledge test. This test covers topics such as coupling and uncoupling, inspecting doubles and triples, and managing cargo. After passing the test, you can add the endorsement to your CDL.
To obtain a CDL Doubles/Triples license, you must already possess a valid Commercial Driver's License (CDL). You will then need to pass the Doubles/Triples endorsement knowledge test. The test covers topics like coupling and uncoupling, inspecting doubles and triples, and managing cargo. After passing the test, you can add the endorsement to your CDL.
While Georgia does not mandate specific training for a CDL Doubles/Triples endorsement, it's beneficial to have practice or training with these types of vehicles. The endorsement requires passing a knowledge test covering areas like coupling/uncoupling and inspecting doubles/triples. Therefore, having experience or training can help in understanding these concepts and successfully passing the test.
Yes, to obtain a CDL Doubles/Triples endorsement in Georgia, you must pass a specific knowledge test. This test covers topics including coupling and uncoupling, inspecting doubles and triples, and managing cargo. It's in addition to any other written tests you've taken for your basic CDL. After passing, the endorsement is added to your CDL.
For the CDL Doubles/Triples endorsement in Georgia, you won't need to perform a road skills test. The process only requires passing a written knowledge test. This exam covers understanding of coupling and uncoupling, inspecting doubles and triples, managing cargo, and other related topics. However, practical skills like maneuvering these vehicles are beneficial for real-world application.
No, it's illegal to operate double or triple trailers without a valid CDL Doubles/Triples endorsement in Georgia. This endorsement is required to ensure the driver understands the additional safety precautions, skills, and knowledge needed to operate these larger, more complex vehicles. Violating this rule may result in fines, penalties, or suspension of your CDL.
You can add the CDL Doubles/Triples endorsement to your existing commercial driver's license. You do not need to initiate a new application for a CDL. However, you will need to take and pass the Doubles/Triples endorsement knowledge test and pay the required fees.
Yes, there are limitations for drivers with a CDL Doubles/Triples endorsement. For instance, drivers must not pull more than one trailer in Georgia unless they have this endorsement. Also, the endorsement does not permit the operation of motorcycles or passenger vehicles carrying 16 or more occupants. It's crucial to understand and follow these regulations to avoid penalties.
In Georgia, the maximum weight for a double/triple trailer with a CDL Doubles/Triples endorsement is 80,000 pounds. The maximum length for a double trailer is 60 feet, while the maximum length for a triple trailer is 75 feet. However, these limits can vary based on factors like road conditions and the type of cargo being transported.
Yes, there are specific safety guidelines for driving double/triple trailers. Drivers must ensure proper coupling and uncoupling of units, maintain a safe following distance, and understand the high rollover risk. They must also conduct pre-trip inspections, manage space around their vehicle effectively, and understand how to negotiate curves, turns, and railway crossings safely. Compliance with these regulations is essential for road safety.
