If your privilege to operate your personal vehicle is revoked, canceled, or suspended due to moving traffic violations, you will also lose your CDL. This does not apply if your license is revoked due to parking violations.

Your privilege to operate your personal vehicle is revoked.

You want to add an endorsement.

Your privilege to operate your personal vehicle is revoked.

After a vehicle is started, the warning lights and buzzers should go out after a few seconds. If the warning signals do not turn off, there may be something wrong with the vehicle.

Should turn off within a few seconds.

Should stay on for several minutes.

Should turn off within a few seconds.

Should stay on until manually turned off.

A maximum posted speed limit is the fastest a vehicle may travel under ideal circumstances. A driver should decrease their driving speed as conditions require. A driver should never exceed the legal speed limit.

May be exceeded if passing another vehicle.

May be exceeded if driving in a rural area.

A properly adjusted mirror will show some portion of the vehicle. This will provide a point of reference to help the driver judge the distance of other objects to the vehicle.

A part of the vehicle should be visible in the mirrors.

No part of the vehicle should be visible in the mirrors.

A part of the vehicle should be visible in the mirrors.

More than half of each mirror should show the vehicle.

When checking the tires as part of a pre-trip inspection, make sure the tires have sufficient tread. There should be at least 4/32 of an inch of tread in every major groove of the front tires, and at least 2/32 of an inch of tread depth on the other tires. Tires should not be mismatched in size and radial and bias-ply tires should not be used together.

Tread of at least 4/32 of an inch on front tires

Radial and bias-ply tires used together

Class B Driving Test | Louisiana 2025 #2 Page 4 of 7

Train for FREE online with our Louisiana class B license 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 LA CDL class B permit 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 CDL class B requirements may vary from state to state.

Number of Question 50

Passing Score 40

Number of Tests 20

Class B Driving Test | Louisiana 2025 #2 Page 4 of 7

22 . Your CDL will be revoked if:

23 . After a vehicle is started, warning lights and buzzers:

24 . During a pre-trip inspection, belts should be:

25 . If a speed limit is posted, the posted speed:

26 . When mirrors are properly adjusted:

27 . On a leaf spring:

28 . When checking tires, which of the following should not cause concern?

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