20 Tests

CDL Combination Vehicles Practice Test Online | Georgia 2021

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 2021, practice as much as.. Read More

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 2021, 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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1 . 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.

2 . Fully-loaded rigs:

Should not be driven. Because the weight of cargo gives them a higher center of gravity, fully-loaded rigs are 10 times more likely to roll over in a crash than empty rigs.

3 . If unsure if a trailer is equipped with ABS, you can:

Remove a tire and look for the ABS sensor on the axle. Trailers and converter dollies built on or after March 1, 1998 are required to have Anti-Lock Braking Systems (ABS). This will be indicated by the presence of a yellow malfunction lamp. You can determine if older trailers have ABS by checking under the trailers for ECU and wheel speed sensor wires coming from the back of the brakes.

4 . 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.

5 . To prevent a rollover, a driver should:

Turn quickly. Rollovers can happen when a combination vehicle is turned too quickly. To help prevent the risk of rollover, it is important to keep the vehicle's center of gravity low by loading cargo as close to the ground as possible.

6 . Push in the trailer air supply control to:

Supply the trailer with air. Push in the trailer air supply control to supply the trailer with air. Pull out the trailer air supply control to turn off the air supply and activate the emergency brakes.

7 . To help prevent rollovers, you should:

Keep the load on one side of the trailer. To lower the risk of a rollover, load your cargo as closely to the ground as possible. To further reduce this risk, take curves and corners slowly.

Wait, before you go

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