Combination Vehicles Practice Test | West Virginia 2024 #1 Page 2 of 3
Train for FREE online with our West Virginia 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 WV 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.
8 . What is another name for the service line?
The trailer service air line may also be referred to as the control line or signal line.
9 . The best way to notice if a trailer has begun to skid is to:
The easiest way to become aware that your trailer has begun to skid is to observe it in your mirrors. Checking your trailer in your mirrors will also allow you to spot any skidding at the earliest possible moment.
10 . How many air lines does a combination vehicle have?
Every combination vehicle has two air lines: the service line and the emergency line.
11 . A shut-off valve:
Shut-off valves are used in air supply lines to control the passage of air from one trailer to another. The rear shut-off valve should always be closed to prevent air from leaving the braking system.
12 . If a load is placed on one side of a trailer, the trailer:
If the weight of a load is placed primarily one side of a trailer, the trailer may lean, increasing the risk of a rollover.
13 . When connecting a converter dolly to a second or third trailer, the trailer height should be:
When connecting a converter dolly to a second or third trailer, the trailer height should be correct. It should be slightly lower than the center of the fifth wheel.
14 . The easiest way to recognize that your trailer has begun to skid is to:
The easiest way to spot a trailer skid is to use your mirrors. Any time you brake hard, check your mirrors to ensure that your trailer is still in its proper position.
See the exact questions that will be on the 2024 West Virginia DMV exam.
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