In an air brake system, a low air pressure warning signal must come on if air pressure in the tanks falls below 60 psi. This warning signal may come in the form of a light, a buzzer, or a wig wag.

When tank pressure falls below 60 psi.

When tank pressure falls below 120 psi.

When tank pressure falls below 60 psi.

When tank pressure falls below 10 psi.

When tank pressure falls below 5 psi.

To stop normally in a vehicle with air brakes, press down the brake pedal.

The brake pedal should be pressed.

The brake pedal should be lifted.

The brake knob should be pulled out.

The brake knob should be pushed in.

When driving a vehicle with air brakes, if the low air pressure warning light comes on, it is important for you to stop and safely park your vehicle as soon as possible. There may be a leak in the system. Controlled braking will remain possible only as long as there is enough air left in the tanks.

Braking will only be possible if there is still enough air in the tanks.

You can apply the brakes 14 times before the air in the system runs out.

You should continue to drive normally and check the brake system when it is convenient.

You should stay at least 100 feet away from other vehicles.

In situations where a driver cannot use a parking brake, wheel chocks can be used to hold a parked vehicle in place on a level surface.

Can be used to prevent a parked vehicle from moving.

Make it easier for a parked vehicle to roll.

Should only be used on the front driver's side tire.

Wyoming Driver's Examination

Air Brakes #1

FREE Air Brakes Endorsement Test Online | Wyoming 2024

Train for FREE online with our Wyoming 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 WY 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.

Number of Question 25

Passing Score 20

Number of Tests 20

FREE Air Brakes Endorsement Test Online | Wyoming 2024

1 . A low air pressure warning signal should activate:

2 . The air pressure in a dual air brake system should build from 85 to 100 psi within:

3 . To stop a vehicle using air brakes:

4 . If the low pressure warning light comes on while you are driving:

5 . Which part of the truck is the air compressor connected to?

6 . On flat surfaces, wheel chocks:

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