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 Arkansas 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. A thin layer of ice that forms on road surfaces is called:

Explanation
Black ice is a thin layer of ice that is clear enough for the road surface to be seen through it. A road covered in black ice may look like it is merely wet. You should be very careful when temperatures are below freezing and the road looks wet.

2. Which of the following is an indication of standing water on the roadway?

Explanation
Hydroplaning can occur in places where water collects on the road. Clear reflections, tire splashes, or rain drops on the road can indicate the presence of standing water.

3. If you plan to transport hazardous materials, you must pass which endorsement test?

Explanation
You must have a hazardous materials endorsement to drive a vehicle of any size that is used to transport defined classes of hazardous materials.

4. You should cover cargo:

Explanation
You should cover your cargo to protect people from the cargo if it spills, as well as to protect the cargo from the weather.

5. When turning, when should the turn signal be canceled?

Explanation
Always signal continuously through a turn. Do not cancel a signal until the turn is finished.

6. The air storage tanks:

Explanation
The air storage tanks in an air brake system store compressed air to be used for braking. They hold enough air for the brakes to still be used several times if the compressor stops working.

7. When passing another vehicle, you should:

Explanation
When passing a pedestrian or another vehicle, you should assume that they don't see you.
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