Combination #1
Combination Vehicles Practice Test | Louisiana 2024 #1 Page 2 of 3
Train for FREE online with our Louisiana CDL combination vehicle 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 combination license in 2024, 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 for issuing a combination license may vary from state to state.
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8 . Combination vehicles:
Driving combination vehicles requires more skill than driving single commercial vehicles. Combinations are generally longer, generally heavier, and are more vulnerable to rollover.
9 . A tractor protection valve:
A tractor protection valve keeps air in a tractor or truck air brake system should the trailer break away or develop a bad leak. The valve will close automatically if the pressure drops to an unsafe level.
10 . If you are backing and the trailer begins to drift off-course, the driver should:
If your trailer begins to drift while you are backing, you should correct the drift immediately by turning the top of the steering wheel in the direction of the drift.
11 . When coupling:
Incorrect coupling and uncoupling of combination vehicles can have extremely dangerous consequences.
12 . Pushing in the trailer air supply control will:
Push in the trailer air supply control to supply the trailer with air. Pull out the trailer air supply control to turn off the air supply and activate the emergency brakes.
13 . When the wheels of a trailer lock up:
A trailer may swing out and strike other vehicles if its wheels lock up. This is especially likely with lightly-loaded trailers.
14 . When should the trailer hand valve be used?
The trailer hand valve, also called the trolley valve or Johnson bar, is used to work the trailer brakes. It should be used only to test the brakes. Using it while a vehicle is in motion could cause a skid.
2024 Louisiana | Frequently Asked Questions
A CDL Class A license in Louisiana is defined as a commercial driver's license that allows the holder to operate any combination of vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more, provided the towed vehicle is heavier than 10,000 pounds. This typically includes tractor-trailers, truck and trailer combinations, and flatbeds.
A Class A Commercial Driver's License (CDL) in Louisiana allows the holder to operate any combination of vehicles with a Gross Combination Weight Rating (GCWR) of 26,001 lbs or more, given that the Gross Vehicle Weight Rating (GVWR) of the vehicle(s) being towed is over 10,000 lbs. This typically includes tractor-trailers, truck and trailer combinations, tank vehicles, livestock carriers, and flatbeds.
To obtain a Class A CDL in Louisiana, you must be at least 21 years old (18 for intrastate driving), possess a valid driver's license, pass a vision exam, and pass a written knowledge test. You'll also need to pass a skills test, which includes a pre-trip vehicle inspection, a basic control skills test, and an on-road driving exam.
In Louisiana, you must be at least 21 years old to qualify for a Class A Commercial Driver's License (CDL) for interstate driving. However, if you're planning to drive only within the state (intrastate), you can apply for a Class A CDL at the age of 18.
While specific endorsements are not required for a Class A CDL, they can expand your job opportunities. Endorsements allow you to operate specific types of vehicles like school buses or tank vehicles, or transport certain types of cargo, such as hazardous materials. Each endorsement requires passing an additional knowledge test, and some require a skills test.
The Class A CDL skills test in Louisiana consists of three parts: the vehicle inspection test, the basic controls test, and the road test. The vehicle inspection test checks your ability to assess if your vehicle is safe to drive. The basic controls test examines your ability to control the vehicle, and the road test assesses your on-road driving skills.
Yes, Class A CDL license holders in Louisiana may face limitations based on their medical condition, driving ability, and the type of vehicle they are licensed to drive. For example, if you can't meet the physical requirements, you may be issued a medical variance or restriction. Also, without specific endorsements, you cannot drive certain types of vehicles or haul specific cargo.
In Louisiana, the written Class A CDL test is primarily offered in English, as federal regulations require all commercial drivers to read and speak English sufficiently to converse with the general public, understand highway traffic signs and signals, respond to official inquiries, and make entries on reports and records. However, assistance in Spanish may be available in some cases.
Yes, Louisiana's Office of Motor Vehicles provides reasonable accommodations for individuals with disabilities taking the Class A CDL written test. Requests for accommodations should be made in advance. Accommodations may include accessible testing locations, extended time, or alternative test formats. It's recommended to contact your local DMV office for specific details and requirements.
If you fail the Class A CDL written test in Louisiana, you can retake it. However, you must wait at least one day before retesting. Keep in mind that there may be additional fees for each retest. It's recommended to study thoroughly using Louisiana's Commercial Driver's License Manual to increase your chances of passing on the next attempt.