FREE Air Brakes Endorsement Test Online | Hawaii 2024

Train for FREE online with our Hawaii 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 HI Class A/Class B driver license in 2021, practice as much as.. Read More

Train for FREE online with our Hawaii 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 HI Class A/Class B driver 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 the requirements for CDL may vary from state to state.

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1 . Braking mechanisms are located inside:

Drum brakes are attached to the wheels and located on the axles of a vehicle. The braking mechanisms that cause the vehicle to stop can be found inside of a drum brake.

2 . What kind of brakes do most newer heavy-duty trucks use?

Most newer heavy-duty vehicles use dual air brake systems. A dual air brake system has two separate air brake systems which use a single set of brake controls.

3 . In a vehicle with dual air brakes, a leak in one system ____ the second system.

A dual air brake system is made up of two separate air brake systems. If there is an air leak in one system, it may not affect the other.

4 . When the spring brakes are on, you should never:

Never push down the brake pedal while the spring brakes are activated. The combined force of springs and air pressure could damage the brakes.

5 . When parked on a flat surface, you should:

When parking on a level surface, you should use wheel chocks. If the vehicle is not equipped with spring brakes, this is essential to prevent the trailer from moving.

6 . If you are braking on dry pavement while traveling at 55 mph, how much distance will brake lag add to your overall stopping distance?

The total stopping distance for vehicles equipped with air brakes is made up of four factors: perception distance, reaction distance, brake lag distance, and braking distance. When braking at a speed of 55 mph while driving on dry pavement, the brake lag can add around 32 feet to the vehicle's total stopping distance.

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