Air Brakes Endorsement Test | West Virginia 2024 #2
Train for FREE online with our West Virginia CDL air brake 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 Class A/Class B driver 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 the requirements for CDL may vary from state to state.
1 . Friction inside a brake drum is caused when the brake shoes and linings:
Friction inside a brake drum is caused when the brake shoes and linings push against the inside of the drum. The friction in the drums will slow and stop the vehicle.
2 . Emergency brakes are:
All trucks, truck tractors, and buses must be equipped with emergency brakes and parking brakes.
3 . Brake fading is caused when:
Using the brakes excessively will cause them to overheat, making them less effective. This is referred to as "fading."
4 . When you press the brake pedal in a vehicle with S-cam brakes, air pressure pushes out the rod and moves the:
When pressing the brake pedal in a vehicle with S-cam brakes, air will enter the brake chambers. The added air pressure will push out the rods and move slack adjusters, twisting the brake camshafts.
5 . Applying the brake pedal causes air pressure to activate an electric switch and:
In a vehicle with air brakes, the brake lights are activated when the brake pedal is pushed and air pressure moves an electric switch. With the application of air pressure, the switch will then turn on the brake lights.
6 . If the air pressure warning light comes on, you should:
If the low air pressure warning signals activate, it is essential that you bring the vehicle to a safe stop while you are still able to control the brakes.
See the exact questions that will be on the 2024 West Virginia DMV exam.
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