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 or four possible answer choices. Test questions come from the Wyoming Driver License Manual for Commercial and Heavy Vehicles. 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

22. The maximum amount of play that is safe on a 20-inch steering wheel is:

Explanation
A steering wheel with play of more than 10 degrees may be defective. On a 20-inch wheel, this is equal to about two inches of movement at the rim of the wheel.

23. Once they have begun to drive after a tire on their vehicle has been changed, a driver should stop after a short distance to:

Explanation
Once you have begun to drive after a tire has been changed, you should stop after a short distance to recheck the tightness of the lug nuts.

24. If turning to avoid a hazard:

Explanation
You should not brake while making a quick turn to avoid a hazard. Doing so could cause your wheels to lock and make your vehicle skid out of control.

25. Friction inside a brake drum is caused when the brake shoes and linings:

Explanation
Friction inside a brake drum is caused when the brake shoes and linings push against the inside of the drum. The friction in the drums will slow and stop the vehicle.

26. What should be done before transporting an over-length load?

Explanation
Over-length, over-width, and/or overweight loads may require special permits from the Department of Transportation.

27. When backing with a trailer, you should:

Explanation
When backing a straight truck, you would turn the wheel in the direction you want to go. By contrast, when backing a vehicle with a trailer, you must turn the steering wheel in the direction opposite of where you want to go. Once your trailer starts to turn, you should turn the steering wheel the other way to follow the trailer.

28. Before driving a vehicle with air brakes, you should ensure that the ____ come on automatically when air pressure falls below 45 psi.

Explanation
Before driving a vehicle with air brakes, you should ensure that the spring brakes come on automatically when air tank pressure falls to a level between 20 and 45 psi. You can do this by chocking the wheels and releasing air from the braking system by stepping on and off the brake pedal. Once the pressure levels drop to an unsafe level, the parking brake valve should pop out and spring brakes should come on.

Frequently Asked Questions

A Class A CDL (Commercial Driver's License) in Wyoming is a license that allows the holder to operate a combination of vehicles with a total weight of 26,001 pounds or more, provided that the weight of the vehicle being towed is more than 10,000 pounds. This type of license is required for drivers who operate large commercial vehicles such as tractor-trailers, tanker trucks, and other heavy-duty vehicles. To obtain a Class A CDL in Wyoming, drivers must pass a series of written and skills tests, as well as meet other requirements such as age and medical certification.

With a Class A CDL license in Wyoming, you can operate a combination of vehicles with a total weight of 26,001 pounds or more, provided that the weight of the vehicle being towed is more than 10,000 pounds. This includes:

- Tractor-trailers
- Livestock carriers
- Flatbeds
- Tanker trucks
- Dump trucks with trailers
- Other heavy-duty vehicles that require a Class A CDL

It's important to note that drivers with a Class A CDL must also have any necessary endorsements for specific types of cargo or vehicles they may be transporting. For example, drivers who transport hazardous materials must have a Hazmat endorsement on their CDL.

To obtain a Class A CDL license in Wyoming, you must meet the following requirements:

1. Be at least 18 years old: However, you must be at least 21 years old to transport hazardous materials or operate a commercial vehicle across state lines.

2. Have a valid driver's license: You must have a valid driver's license issued by Wyoming or another state.

3. Meet medical requirements: You must pass a medical examination and be certified as physically qualified to operate a commercial motor vehicle.

4. Obtain a commercial learner's permit (CLP): Before you can take the skills test, you must first obtain your CLP and hold it for a minimum of 14 days.

5. Pass the written test: You must pass a series of written tests, including the general knowledge test and any applicable endorsement tests.

6. Pass the skills test: You must pass a skills test that includes a pre-trip inspection, basic vehicle control, and on-road driving.

7. Pay the required fees: There are fees associated with obtaining your CDL, including application fees and testing fees.

It's important to note that additional requirements may apply depending on your specific situation or the type of cargo you plan to transport.

In Wyoming, the minimum age requirement for a Class A CDL license is 18 years old. However, drivers who are 18 to 20 years old are restricted to driving commercial vehicles within the state of Wyoming only. They are not allowed to operate commercial vehicles across state lines or transport hazardous materials.

Drivers who are at least 21 years old are eligible to obtain a Class A CDL license that allows them to operate commercial vehicles across state lines and transport hazardous materials.

Yes, you may need to obtain endorsements to your Class A CDL license depending on the type of cargo you want to transport. The following are the endorsements you may need:

1. T - Double/Triple Trailers: This endorsement allows you to tow two or three trailers at once.

2. P - Passenger: This endorsement allows you to operate a vehicle designed to carry more than 16 passengers, including the driver.

3. N - Tank Vehicles: This endorsement allows you to operate a vehicle used for the transportation of liquids or gases in bulk containers with a capacity of 1,000 gallons or more.

4. H - Hazardous Materials: This endorsement allows you to transport hazardous materials as defined by federal law.

You must pass a written test for each endorsement you wish to obtain. Additionally, there may be additional requirements for certain endorsements, such as background checks or special training.

The Class A CDL skills test is divided into three parts: the pre-trip inspection, the basic vehicle control skills test, and the on-road driving test. Here is what is involved in each part:

1. Pre-trip inspection: You will be required to perform a thorough inspection of your vehicle, explaining to the examiner what you are checking and why. This includes checking the engine compartment, coupling and uncoupling procedures, and checking the trailer.

2. Basic vehicle control skills test: You will be evaluated on your ability to perform basic maneuvers with your vehicle, including straight line backing, offset backing to the left or right, and parallel parking.

3. On-road driving test: You will be evaluated on your ability to safely operate your vehicle in various traffic situations. This includes merging onto the highway, changing lanes, making turns and stops, and completing various driving maneuvers.

During all parts of the test, you will be evaluated on your ability to safely operate your vehicle and follow all traffic laws and regulations. The entire test typically takes several hours to complete.

Yes, there are some restrictions and limitations for drivers with a Class A CDL license. Here are a few:

1. Age restrictions: You must be at least 18 years old to obtain a Class A CDL license, but you can only drive within the state of Wyoming and cannot transport hazardous materials. You must be at least 21 years old to drive across state lines or transport hazardous materials.

2. Medical requirements: To obtain or renew your Class A CDL license, you must pass a Department of Transportation (DOT) medical exam and have a valid DOT medical card.

3. Endorsements: As mentioned earlier, you may need to obtain endorsements for your Class A CDL license depending on the type of cargo you want to transport.

4. Weight restrictions: Depending on the weight of your vehicle and the type of cargo you are carrying, there may be weight restrictions or limitations you need to follow.

5. Hours of Service (HOS) regulations: As a commercial driver with a Class A CDL license, you must follow HOS regulations that limit the amount of time you can drive in a day and week to prevent fatigue-related accidents.

It's important to note that these restrictions and limitations may vary depending on federal and state regulations, so it's important to stay informed and up-to-date on any changes or updates.

No, the Class A CDL written test in Wyoming is only available in English. According to the Wyoming Department of Transportation, all CDL written tests are only administered in English to ensure that drivers have a basic understanding of the language used on road signs and in communication with other drivers.

However, if you have difficulty reading or understanding English, you may be able to request an interpreter or a translated version of the test. You will need to contact the Wyoming Department of Transportation to make arrangements for an interpreter or translated test. Keep in mind that these accommodations may not be available for all languages and may need to be arranged in advance.

Yes, you can request accommodations for the Class A CDL written test in Wyoming if you have a disability that may affect your ability to take the test. The Wyoming Department of Transportation provides reasonable accommodations for individuals with disabilities in accordance with the Americans with Disabilities Act (ADA).

To request accommodations, you will need to contact the Wyoming Department of Transportation's Driver Services Program and provide documentation of your disability and the specific accommodations you require. They will work with you to determine what accommodations are available and appropriate for your needs.

Examples of accommodations that may be available include extended testing time, a separate testing room, a reader or scribe, or an audio version of the test. Keep in mind that accommodations may take some time to arrange, so it's important to make your request as early as possible.

Yes, you can retake the Class A CDL written test in Wyoming if you fail it. However, you will need to wait at least one day before retaking the test.

If you fail the test three times, you will need to wait at least 30 days before taking it again. If you fail the test six times, you will need to wait at least 180 days before taking it again.

Each time you take the test, you will need to pay the testing fee, which is $25 as of 2021. It's important to study and prepare thoroughly for the test to increase your chances of passing on your first attempt and avoid having to retake it multiple times.
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