Combination #2
Combination Vehicles Practice Test | Kansas 2024 #2 Page 3 of 3
Train for FREE online with our Kansas 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 KS 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.
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15 . After connecting the air lines to the trailer while coupling, you should:
Connect the electrical cord.
Correctly following the steps to couple and uncouple trailers is vital to safely operating a combination vehicle. After connecting the air lines to the trailer while coupling, you should supply air to the trailer.
16 . Having ABS on only one axle:
Will cause extra strain on the other axles.
Having an Anti-Lock Braking System (ABS) on only the trailer, or even on just one axle, will still provide a driver with additional control over the trailer when braking.
17 . A combination vehicle has:
Four air lines.
Combination vehicles have two air lines: a service line and an emergency line.
18 . Emergency air lines are often coded with the color:
Red.
In general, the parts of the service air line are coded blue and the parts of the emergency air line are coded red.
19 . The best way to recognize that your trailer has begun to skid is by:
Listening to the radio.
The earliest and best way to recognize the beginnings of a trailer skid is by seeing the trailer veer off-course in your mirrors.
20 . An air supply control lever should be in its "normal" position when you are:
Using your spring brakes.
