Knowledge Test Class A

This license is required for driving any legal combination of vehicles, with a gross combination weight rating of 26,001 pounds or more, provided the GVWR of a trailer exceeds 10,000 pounds To receive this license, applicants must pass a 50-question.. Read More

This license is required for driving any legal combination of vehicles, with a gross combination weight rating of 26,001 pounds or more, provided the GVWR of a trailer exceeds 10,000 pounds To receive this license, applicants must pass a 50-question test. To pass, applicants must answer 40 questions correctly. Each question has three possible answer choices. Test questions come from the Louisiana Commercial Driver License Manual. Questions come from chapters covering: Introduction, Driving Safely, Transporting Cargo Safely, Air Brakes (if applicable), Combination, Doubles and Hazardous Materials. Endorsements that may be used with a Class A CDL are: Hazardous materials, Tank, Passenger, HazMat and Tank, Air Brakes and School bus.

Number of Question
Passing Score

1. How does doubling your speed from 20 mph to 40 mph affect your vehicle's braking distance?

Explanation
Increasing your vehicle's speed will increase your vehicle's striking power and braking distance. Doubling your vehicle's speed from 20 to 40 mph will quadruple its braking distance.

2. ABS allows you to:

Explanation
The function of an Anti-Lock Braking System (ABS) is to help prevent wheel lockup during hard braking. With ABS equipped on your vehicle, you should drive and brake in the same manner that you would without it.

3. Foundation brakes are used:

Explanation
Foundation brakes are used on each wheel of a CMV. The most common type of foundation brake is the s-cam drum brake.

4. When experiencing cold weather, be sure to check your vehicle's alcohol evaporator:

Explanation
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.

5. Rust around wheel nuts may mean:

Explanation
Rust around wheel nuts may mean that they are loose. Check the tightness of the nuts if you see any rust in the area.

6. When backing a truck, you should:

Explanation
Backing a commercial motor vehicle is always dangerous because you cannot see everything behind you. When backing, make frequent checks of the mirrors on both sides of the vehicle.

7. When passing another vehicle, you should:

Explanation
Whenever you pass another driver, bicyclist, or pedestrian, you should assume as a precaution that they do not see you.

Frequently Asked Questions

A Class A CDL (Commercial Driver's License) license in Louisiana is a type of license that allows drivers to operate combination vehicles with a total weight of 26,001 pounds or more. This includes vehicles such as tractor-trailers, truck and trailer combinations, and tank vehicles.

Here are the steps to obtain a Class A CDL license in Louisiana:

1. Obtain a Commercial Learner's Permit (CLP): To obtain a CLP, you must pass a written test about general knowledge and a skills test in the type of vehicle you plan to operate. You must also pass a medical examination.

2. Practice driving with your CLP: With your CLP, you can practice driving with a licensed CDL driver in the vehicle with you.

3. Pass the CDL skills test: The skills test consists of three parts - pre-trip inspection, basic vehicle control, and on-road driving.

4. Submit required documents: After passing the skills test, you must submit required documents such as proof of identification, residency, and Social Security number.

5. Pay fees: You will need to pay fees for your CDL license and any endorsements (such as hazmat or tanker) you may want to add.

It is important to note that there are age requirements for obtaining a Class A CDL license in Louisiana. You must be at least 18 years old to operate within the state of Louisiana and at least 21 years old to operate across state lines or transport hazardous materials.

With a Class A CDL license in Louisiana, you can operate combination vehicles with a total weight of 26,001 pounds or more. This includes vehicles such as tractor-trailers, truck and trailer combinations, and tank vehicles.

More specifically, a Class A CDL license allows you to operate:

- Tractor-trailers: This is the most common type of vehicle that Class A CDL holders operate. These are large trucks with a trailer attached that can haul cargo or materials.

- Truck and trailer combinations: This includes vehicles like flatbeds, lowboys, and other types of trailers that are attached to a truck.

- Tank vehicles: Tank vehicles are those designed to transport liquids or gases in bulk, such as gasoline or chemicals.

- Livestock carriers: These are trucks designed to transport live animals.

It is important to note that some additional endorsements may be required for certain types of vehicles. For example, if you plan to haul hazardous materials, you will need to obtain a hazmat endorsement in addition to your Class A CDL license.

To obtain a Class A CDL (Commercial Driver's License) license in Louisiana, you must meet the following requirements:

1. Age Requirement: You must be at least 18 years old to operate within the state of Louisiana and at least 21 years old to operate across state lines or transport hazardous materials.

2. Valid Driver's License: You must have a valid driver's license issued by the state of Louisiana.

3. Medical Examination: You must pass a medical examination to ensure that you meet the physical requirements for operating a commercial vehicle.

4. Knowledge Tests: You must pass a written test covering general knowledge, air brakes (if applicable), and combination vehicles.

5. Skills Test: You must pass a three-part skills test consisting of a pre-trip vehicle inspection, basic vehicle control, and on-road driving.

6. Background Check: You will undergo a background check to ensure that you do not have any disqualifying criminal offenses.

7. Required Documents: You must provide required documents such as proof of identification, residency, and Social Security number.

8. Fees: You will need to pay fees for your CDL license and any endorsements (such as hazmat or tanker) you may want to add.

It is important to note that obtaining a CDL license can be a lengthy and involved process. It is recommended that you seek out training from an accredited CDL training program or school to ensure that you are properly prepared for the knowledge and skills tests.

In Louisiana, the minimum age requirement for a Class A CDL (Commercial Driver's License) license is 18 years old. However, if you plan to operate a commercial vehicle across state lines or transport hazardous materials, you must be at least 21 years old. It's important to note that some employers may have their own minimum age requirements for hiring commercial drivers, even if you meet the state's minimum age requirement for obtaining a CDL license.

It depends on what type of commercial vehicle you plan to operate with your Class A CDL (Commercial Driver's License). In Louisiana, you may need to obtain certain endorsements to legally operate certain types of commercial vehicles. Here are some of the endorsements you may need:

1. T – Double/Triple Trailers: This endorsement is required if you plan to tow more than one trailer at a time.

2. P – Passenger: This endorsement is required if you plan to transport passengers in a vehicle designed to carry 16 or more people (including the driver).

3. N – Tank Vehicles: This endorsement is required if you plan to transport liquids or gases in a tank or tanks with a capacity of 1,000 gallons or more.

4. H – Hazardous Materials: This endorsement is required if you plan to transport hazardous materials in amounts that require placards on the vehicle.

5. X - Combination of Tank Vehicle and Hazardous Materials: This endorsement is required for drivers who transport hazardous materials in tanks.

It's important to note that obtaining an endorsement requires passing additional knowledge and skills tests beyond the basic Class A CDL requirements. Additionally, there may be additional fees associated with obtaining an endorsement.

The Class A CDL (Commercial Driver's License) skills test in Louisiana consists of three parts: the pre-trip inspection, basic vehicle control, and on-road driving. Here is a breakdown of each part:

1. Pre-trip Inspection: Before you begin the driving portion of the test, you will need to pass a pre-trip inspection. This involves walking around the vehicle and checking various parts to ensure they are in good working order. You will need to explain to the examiner what you are checking and why.

2. Basic Vehicle Control: In this part of the test, you will demonstrate your ability to control the commercial vehicle in a closed course setting. You will be asked to perform various maneuvers such as straight line backing, offset backing, parallel parking, and alley docking.

3. On-road Driving: The final part of the test involves driving on public roads with an examiner riding along with you. During this portion of the test, you will need to demonstrate your ability to safely operate the commercial vehicle in various traffic situations such as turning at intersections, merging onto highways, changing lanes, and responding to traffic signals and signs.

It's important to note that passing all three parts of the skills test is required to obtain a Class A CDL license in Louisiana. Additionally, it's recommended that you practice with a qualified instructor or experienced commercial driver before taking the skills test.

Yes, there are restrictions and limitations that apply to drivers with a Class A CDL (Commercial Driver's License) license in Louisiana. Here are some of the common restrictions:

1. L - Air Brake Restriction: If you take the skills test with a vehicle that does not have air brakes, you will be restricted from operating commercial vehicles equipped with air brakes.

2. E - Manual Transmission Restriction: If you take the skills test with a vehicle that has an automatic transmission, you will be restricted from operating commercial vehicles with manual transmissions.

3. O - No Tractor Trailer Restriction: If you take the skills test with a combination vehicle that weighs less than 26,001 pounds, you will be restricted from operating combination vehicles that weigh over 26,001 pounds.

4. M - Medical Variance Restriction: If you have a medical condition that requires a medical variance, you will be restricted to operating commercial vehicles only if you have the required medical variance.

Additionally, drivers with a Class A CDL may be subject to other restrictions based on their employer's policies or certain driving violations. It's important to understand and comply with all restrictions and limitations associated with your license to avoid penalties or suspension of your license.

No, in Louisiana the Class A CDL written test is available only in English. The Louisiana CDL manual and all testing materials are provided in English, and all test takers must be able to read, write and communicate in English.

This is because all road signs and driving instructions in the United States are in English, so it's important that drivers have a basic understanding of the language to ensure safety on the roads. If you have difficulty reading or understanding English, you may want to consider taking an English language course or using resources such as online translators to help you prepare for the test.

Yes, you can retake the Class A CDL written test if you fail it. However, you will need to wait at least one day before taking the test again. If you fail the test three times, you will need to wait at least 30 days before retaking it.

It's important to note that there may be a fee for each attempt at the written test, so it's best to study and prepare thoroughly before taking the test. You can use study guides and practice tests to help you prepare, and some CDL training schools may also offer test preparation courses.

If you fail the written test, you will need to identify areas where you need improvement and focus your study efforts on those areas before retaking the test. The Louisiana CDL manual is a valuable resource that covers all the topics that will be on the written test, and it's recommended that you review it thoroughly.

Once you pass the written test, you will be eligible to take the skills test, which involves driving a commercial vehicle under the supervision of an examiner. Passing both tests is required to obtain a Class A CDL in Louisiana.
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