Air Brakes #2
Air Brakes Endorsement Test | Louisiana 2024 #2
Train for FREE online with our Louisiana CDL air brake 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 Class A/Class B driver 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 the requirements for CDL may vary from state to state.
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1 . When experiencing cold weather, be sure to check your vehicle's alcohol evaporator:
An alcohol evaporator can help prevent ice from building up in an air brake system. In cold weather, the evaporator should be checked and refilled every day.
2 . A safety valve is set to open at ____ pounds per square inch (psi).
The safety valve protects air tanks and the rest of an air brake system from accumulating too much air pressure. The safety valve is usually set to open at 150 psi.
3 . An air compressor governor controls:
In an air brake system, the air compressor governor controls when the air compressor pumps air into the air storage tanks.
4 . Air tank drains:
Compressed air in an air brake system usually has a certain amount of water and oil in it. This can harm the system if allowed to accumulate. Air tanks have drain valves to aid in removing water and oil from the compressed air.
5 . If using spring brakes when hauling a heavy load, a complete stop will:
Spring brakes do not work on all axles. If your vehicle's spring brakes activate due to low pressure in an air brake system, your vehicle will need a longer distance to stop than usual, especially if you are carrying a heavy load.
6 . When leaving a vehicle unattended, a driver should:
Always apply the parking brake when leaving your vehicle unattended.
See the exact questions that will be on the 2024 Louisiana DMV exam.
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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.
