Knowledge Test Class A #2
Class A Driving Test | Louisiana 2026 #2 Page 5 of 7
Train for FREE online with our Louisiana class A 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 A permit in 2026, 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 A requirements may vary from state to state.
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29 . Some water and compressor oil is usually found in the compressed air within an air brake system. The water and compressor oil:
If water and compressor oil are left to build up in an air brake system, the system can be damaged. Air storage tanks are equipped with drains to allow this accumulation to be removed. Manually controlled drains should be operated at the end of each day of driving.
30 . If a vehicle is accompanied by a vehicle inspection report:
As the first step of a vehicle inspection, a driver should review any inspection report left by the previous driver.
31 . When loading a trailer, it is important to:
When loading cargo, it is important that the weight placed on each axle is neither too little nor too much. Inappropriate loading can interfere with steering, create inadequate wheel traction, or damage the axles.
32 . To prevent your vehicle from rolling backward when beginning to move, you can:
To ensure that your vehicle does not roll backward when beginning to move after a stop, you should partly engage the clutch before removing your right foot from the brake pedal.
33 . A tread depth of ____ should be in every major groove of a tire that is not in the front of a commercial motor vehicle.
For safe operation, a commercial motor vehicle needs a tread depth of 4/32 of an inch in every major groove on the front tires, and a tread depth of 2/32 of an inch on other tires.
34 . How many daily hours of sleep does an adult need to maintain alertness?
Four to five
Being properly rested is essential to the safe operation of a CMV. To maintain alertness, most people need eight to nine hours of sleep per night.
35 . Which of the following is not a cause of hydraulic brake failure?
Most cases of hydraulic brake failure come from one of two causes. The brakes may fail due to a loss of hydraulic pressure or due to overuse on long hills, causing the brakes to fade.
2026 Louisiana | Frequently Asked Questions
To acquire a CDL Passenger endorsement in Louisiana, you need to hold a valid Commercial Driver's License (CDL). Complete the written knowledge test and skills test related to passenger vehicles at a DMV office. You'll also need to pass a physical exam and provide proof of residency and Social Security number. It's advisable to prepare using the Louisiana CDL Manual.
To obtain a Commercial Driver's License (CDL) Passenger endorsement in Louisiana, you must first possess a valid CDL. Then, pass a written knowledge test about transporting passengers. Finally, you must pass a skills test in a vehicle of the same type as the one you'll be driving. You must also be at least 21 years old to drive across state lines.
While Louisiana doesn't specifically require training to get a CDL Passenger endorsement, it's recommended to have training or experience driving large vehicles. You must pass a written knowledge test and skills test related to passenger transport, so prior experience or training can be beneficial in successfully completing these tests.
Yes, in addition to holding a valid Commercial Driver's License (CDL), you are required to pass a written knowledge test specifically about transporting passengers safely. This test covers topics like vehicle inspection, loading and trip start, on the road, after-trip vehicle inspection, prohibited practices, and use of brake-door interlocks.
During the CDL Passenger endorsement assessment, you'll need to demonstrate skills such as safe vehicle operation, proper mirror usage, correct use of signal indicators and brakes, and ability to perform pre-trip vehicle inspections. You'll also need to show proficiency in loading/unloading passengers, responding to emergency situations, and managing passenger behavior.
No, you cannot legally transport passengers in Louisiana without a valid CDL Passenger endorsement. This endorsement is required for drivers who wish to drive a vehicle designed to carry 16 or more passengers, including the driver. Driving such a vehicle without the appropriate endorsement can lead to serious penalties.
Yes, you can add the CDL Passenger endorsement to your existing Commercial Driver's License. You don't need a new application for your license, but you will need to pass the Passenger endorsement written exam and pay an additional fee. The endorsement will be added to your existing CDL upon successful completion of the exam.
Yes, there are restrictions for drivers with a CDL Passenger endorsement in Louisiana. These include not being able to consume alcohol within four hours of driving or while driving, maintaining a BAC of less than .04%, and not leaving passengers unattended in the vehicle. Violating any of these restrictions can result in fines, license suspension, or even revocation of the endorsement.
Yes, to acquire a CDL Passenger endorsement in Louisiana, you must be at least 21 years old. This is to ensure that drivers have enough experience on the road before they are entrusted with the responsibility of transporting multiple passengers. There's no upper age limit as long as you can pass the necessary physical and written exams.
With a CDL Passenger endorsement in Louisiana, you'll be qualified to operate vehicles such as buses, shuttle vans, and any other vehicle designed to transport 16 or more passengers, including the driver. This means you can work for school districts, public transit agencies, and private transportation companies.