Knowledge Test Class A #1
Class A Driving Test | Louisiana 2025 #1 Page 6 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 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 A requirements may vary from state to state.
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36 . Rims with welding repairs:
Wheels or rims that have had welding repairs should never be used.
37 . Poisonous fumes can enter a cab due to:
A faulty exhaust system is a serious safety hazard. It may allow poisonous fumes to enter the vehicle's cab or sleeper berth.
38 . An Anti-Lock Braking System (ABS):
Anti-Lock Braking Systems (ABS) are compatible with air brakes and help a driver maintain control of their vehicle by preventing wheel lockup.
39 . When driving, your mirrors should:
It is important for you to be aware of your surroundings at all times. To do this, regularly check your mirrors.
40 . The two indicators that determine when you should upshift are:
There are two indicators that determine when you need to shift into a higher gear. One indicator is the engine speed (rpm). You should read your vehicle's manual to learn its rpm range and shift up when you reach the top of that range. The other indicator is road speed (mph). You should learn which speeds each gear can accommodate, then keep an eye on the speedometer and shift up as needed.
41 . Why are multi-speed axles and auxiliary transmissions used?
On many vehicles, multi-speed rear axles and auxiliary transmissions are used to provide extra gears.
42 . How should you brake if your vehicle's ABS is not working?
Without a working Anti-Lock Braking System (ABS), your vehicle will still have normal brake function. Continue to drive and brake as you normally would and have your ABS serviced as soon as possible.
2025 Louisiana | Frequently Asked Questions
To acquire a CDL Tank endorsement in Louisiana, you need to pass the tank vehicle test. This involves studying the CDL manual, especially the section on tank vehicles. Then, you must schedule and take the test at your local DMV. Passing the test will add the Tank endorsement to your CDL. Always check with your local DMV for specific requirements.
To obtain a CDL Tank license, you must first have a Commercial Driver's License (CDL). You then need to pass the Tank Vehicle endorsement test. This would require studying the tank vehicle section in the CDL manual. After studying, schedule your test at the local DMV. Passing this test will add the Tank endorsement to your CDL.
While specific training or experience is not legally mandatory for a CDL Tank endorsement, it can be beneficial. Knowledge of handling and operating tank vehicles safely is crucial, and this can be gained through training or experience. However, the key requirement is passing the tank vehicle test after studying the relevant sections in the CDL manual.
Yes, to obtain a CDL Tank endorsement, you must pass an additional written test. The test covers specific knowledge related to the safe transportation of liquid and gaseous materials in tank vehicles. You can prepare for this test by studying the tank vehicle section in your state's Commercial Driver's License manual.
The written test for the CDL Tank endorsement includes subjects related to operating a tank vehicle. Topics include understanding high center of gravity, handling surge, inspecting tank vehicles, and safety considerations. The test aims to ensure drivers can safely handle the unique characteristics of driving a tank vehicle.
The CDL Tank endorsement assessment doesn't involve a specific skills or maneuvers test. It is a written exam that evaluates your knowledge of safely operating tank vehicles. Topics include understanding the vehicle's structure, handling high center of gravity, inspecting tanks, and dealing with surge effects. Practical skills are assessed under the general CDL driving test.
There aren't specific limitations for drivers with a CDL Tank endorsement. However, drivers must comply with federal and state regulations, including hours of service rules, weight limits, and hazardous materials restrictions. Additionally, some employers may have their own rules regarding experience, age, or physical condition. Also, driving under the influence can result in endorsement revocation.
No, a valid CDL Tank endorsement is required to transport liquid or gas materials in the United States. This endorsement ensures that drivers have the necessary knowledge and skills to safely operate tank vehicles and handle potential hazards associated with these types of materials. Driving without the proper endorsement can result in fines or legal action.
The CDL Tank endorsement can be added to your current commercial driver's license. You don't need to apply for a new license. However, you will need to pass the Tank endorsement written test. Once you pass the test, the Tank endorsement will be added to your existing CDL.
Yes, to handle hazardous materials with a CDL Tank endorsement, you must also have a Hazardous Materials (HazMat) endorsement. This requires passing a written test and a TSA background check. Additionally, you must follow the Federal Motor Carrier Safety Administration's safety regulations when transporting hazardous materials.