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Double Triple Test | Wyoming 2025 #2 Page 2 of 3
Train for FREE with our Wyoming CDL double triple practice test online. 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 CDL double triple license in 2025, 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 may vary from state to state.
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8 . An Anti-Lock Braking System (ABS):
Should only be used if all axles have ABS.
Anti-Lock Braking Systems (ABS) are compatible with air braking systems. ABS helps maintain control of a vehicle and prevents the wheels from locking up during hard braking on slippery surfaces. ABS can still provide benefits even if is present on only one axle.
9 . Once they have begun to drive after a tire on their vehicle has been changed, a driver should stop after a short distance to:
Once you have begun to drive after a tire has been changed, you should stop after a short distance to recheck the tightness of the lug nuts.
10 . A vehicle equipped with an Anti-Lock Braking System (ABS) uses a ____ light to warn that the system is not working properly.
White
Anti-Lock Braking System (ABS) malfunction lamps are usually yellow. Even if the ABS isn't working properly, a driver will still have access to the vehicle's usual braking functions.
11 . Why do drivers have to inspect their vehicles?
It adds to the amount of time for which they will be paid.
Federal and state laws require drivers to inspect their vehicles before driving to ensure that they are safe to operate.
12 . Air pressure should build up in a single air system within:
One minute.
In a vehicle with a single air brake system, after the engine is at operating rpms, the pressure in the air system should generally build from 50 to 90 psi within three minutes.
13 . If using the spring brakes while hauling a heavy load, a complete stop will:
Damage the brakes.
Spring brakes will activate in a vehicle with air brakes if the pressure in the air system becomes too low. A heavily loaded vehicle will take a long time to stop when using only the spring brakes because the spring brakes do not work on all axles.
14 . When checking your tires, which of the following is not an issue to correct?
Tread depth of at least 4/32 of an inch on the front tires
