When driving a tractor-trailer combination that is equipped with an Anti-Lock Braking System (ABS), you should brake in the same manner that you would if the vehicle was not equipped with ABS.

Brake as you would without anti-lock brakes.

Use extra braking force to ensure the brakes kick in.

Brake as you would without anti-lock brakes.

Driving combination vehicles requires more skill than driving single commercial vehicles. Combinations are generally longer, generally heavier, and are more vulnerable to rollover.

More difficult to drive than single commercial vehicles.

Easier to drive than single commercial vehicles.

Lighter than single commercial vehicles.

More difficult to drive than single commercial vehicles.

Driving combination vehicles requires more skill than driving single commercial vehicles. Combinations are generally longer, generally heavier, and are more vulnerable to rollover.

Require more skill to drive than single commercial vehicles.

Often have taller trailers than single commercial vehicles.

Are usually lighter than single commercial vehicles.

Require more skill to drive than single commercial vehicles.

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.

Prevent the vehicle from skidding.

If your trailer begins to drift while you are backing, you should correct the drift immediately by turning the top of the steering wheel in the direction of the drift.

Turn the top of the steering wheel in the direction of the drift.

Return the steering wheel to the 12 o’clock position.

Turn the top of the steering wheel in the direction of the drift.

Turn the top of the steering wheel in the direction opposite of the drift.

When driving a vehicle with ABS, you should brake in the same manner as you would in a vehicle without ABS.

In the same way as they would be in a vehicle without ABS.

As the vehicle is placed in neutral.

Positioning the weight of a load on one side of a trailer may cause the trailer to lean to that side, increasing the risk of a rollover during turns and lane changes.

May add extra support during turns.

May be easier to steer during turns.

Combination Vehicles Practice Test | Louisiana 2024 #2 Page 2 of 3

Train for FREE online with our Louisiana 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 LA combination license in 2024, 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.

Number of Question 20

Passing Score 16

Number of Tests 20

Combination Vehicles Practice Test | Louisiana 2024 #2 Page 2 of 3

8 . When braking while pulling a trailer equipped with anti-lock brakes, you should:

9 . Combination vehicles are usually:

10 . Combination vehicles:

11 . Pushing in the trailer air supply control will:

12 . If you are backing and the trailer begins to drift off-course, the driver should:

13 . When driving a vehicle equipped with an Anti-Lock Braking System (ABS), brakes should be applied:

14 . If a load is placed on one side of a trailer, the trailer:

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