Knowledge Test Class B #2
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.
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22 . Your CDL will be revoked if:
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.
23 . After a vehicle is started, warning lights and buzzers:
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.
24 . During a pre-trip inspection, belts should be:
Left alone and not inspected.
When inspecting your vehicle, you should check all belts for tightness and excessive wear. You should learn how much "give" is appropriate for each belt.
25 . If a speed limit is posted, the posted speed:
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.
26 . When mirrors are properly adjusted:
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.
27 . On a leaf spring:
When inspecting your vehicle's suspension, verify that leaf springs do not have missing or broken leaves. If at least one-fourth of the leaves in a leaf spring are missing, the vehicle will be put out-of-service until the defect is fixed.
28 . When checking tires, which of the following should not cause concern?
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.
See the exact questions that will be on the 2025 Louisiana DMV exam.
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2025 Louisiana | Frequently Asked Questions
A CDL Class B license in Louisiana allows drivers to operate single vehicles with a gross vehicle weight rating (GVWR) of 26,001 pounds or more, or any such vehicle towing another not exceeding 10,000 pounds. This includes buses, farm labor vehicles, and any combination of vehicles not defined under Class A.
A Class B CDL license in Louisiana allows the operation of single vehicles with a gross vehicle weight rating (GVWR) of 26,001 pounds or more, or a vehicle towing another not exceeding 10,000 pounds. This includes straight trucks, large buses, segmented buses, box trucks, and dump trucks with small trailers.
To acquire a Class B CDL license in Louisiana, you must be at least 18 years old (21 for interstate driving), possess a valid Louisiana driver's license, pass a vision exam, and complete a written knowledge test. You will also need to pass a skills test, which includes a pre-trip vehicle inspection, a basic controls test, and an on-road driving exam.
In Louisiana, to qualify for a Class B Commercial Driver's License (CDL), you must be at least 18 years old for intrastate driving (within Louisiana only) and at least 21 years old for interstate driving (across state lines or transporting hazardous materials). Other prerequisites include passing a knowledge test and a skills test.
Specific endorsements are not necessary for a Class B CDL license in Louisiana but can broaden your employment opportunities. Endorsements certify additional skills like driving a school bus, tank vehicle, or vehicles carrying hazardous materials. To obtain an endorsement, you must pass specific knowledge tests and, in some cases, a skills test.
The Class B CDL skills assessment in Louisiana encompasses three parts: the pre-trip vehicle inspection, the basic vehicle control test, and the on-road driving test. You'll need to demonstrate knowledge of your vehicle, show that you can control it in a variety of situations, and safely operate it in traffic conditions.
Yes, Class B CDL license holders in Louisiana are limited to operating single vehicles with a gross vehicle weight rating (GVWR) of 26,001 pounds or more, or towing a vehicle not exceeding 10,000 pounds GVWR. They cannot operate Class A vehicles unless they upgrade their license. Furthermore, they must adhere to all federal and state motor carrier safety regulations.
In Louisiana, the written Class B CDL test is typically administered in English. However, some test centers may offer the test in Spanish. It's important to note that even if you take the written test in Spanish, you must still be able to read and speak English well enough to converse with the general public, understand highway traffic signs and signals, respond to official inquiries, and make entries on reports and records.
Yes, you can request test accommodations for the Class B CDL written exam in Louisiana due to disability. The state follows the guidelines of the Americans with Disabilities Act (ADA) and provides reasonable accommodations to individuals who can provide documentation of their disability. It's important to make your request well in advance of your test date.
If you don't pass the Class B CDL written test in Louisiana, you can retake it. However, there's a waiting period before you can retake the test. The waiting period varies but is typically one day. You'll also need to pay a re-examination fee each time you retake the test. It's advisable to study thoroughly before reattempting.
