Combination #2
Combination Vehicles Practice Test | Georgia 2025 #2 Page 2 of 3
Train for FREE online with our Georgia CDL combination vehicle 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 combination 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 DMV requirements for issuing a combination license may vary from state to state.
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8 . The service air line is attached to the:
Steering wheel.
The service air line carries air and is controlled by either the foot brake or trailer hand brake. The service air line is attached to relay valves, which allow the trailer brakes to be applied quickly.
9 . In a double or triple combination:
The weight of the trailers does not matter.
When positioning trailers in a combination, the most heavily-loaded trailer should be the closest to the tractor. The lightest trailer should be positioned in the rear.
10 . When glad hands are coupled, the seals should be pressed together at an angle of:
90 degrees.
When coupling, be sure to couple the proper glad hands. When glad hands are connected, the seals should be pressed together at a 90-degree angle.
11 . Rollovers are most likely to happen when:
It is raining.
Rollovers happen when an operator turns too fast. Drivers should be sure to slow down before entering turns and curves, especially when transporting a fully-loaded rig.
12 . Trailers with low underneath clearance may be difficult to drive:
At the posted speed limit.
Railroad-highway crossings may be difficult to cross when pulling a trailer with a low underneath clearance. In particular, both low-slung units and single-axle tractors pulling long trailers are especially challenging to drive over raised crossings.
13 . Pull out the trailer air supply control to test:
The landing gear.
Be sure to test the trailer emergency brakes before beginning a trip. After ensuring that the trailer rolls freely, you can test the emergency brakes by pulling out the trailer air supply control, or placing it in the "emergency" position. Pull forward slightly with the tractor and make sure the trailer does not move.
14 . Compared to other commercial motor vehicles, combination vehicles need more space on the road because they are longer and they:
Swerve more often.
Combination vehicles need more space on the road than other commercial vehicles because they are longer and need more space to turn and stop. It is especially important to properly manage space when you are operating a combination vehicle.
See the exact questions that will be on the 2025 Georgia DMV exam.
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2025 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.
