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.. 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. Test questions come from the North Carolina Commercial Driver License Manual. To pass, applicants must answer 40 questions correctly. Each question has three or four possible answer choices. Questions come from chapters covering: Introduction, Driving Safely, Transporting Cargo Safely, Air Brakes (if applicable), Combination Vehicles, Pre-Trip Vehicle Inspection Test, Basic Vehicle Control Skills Test and On-Road Driving. Endorsements that may be used with a Class A CDL are: Hazardous materials, Tank, Passenger, Doubles/Triples, HazMat, Tank, Air Brakes and School bus.

Number of Question
Passing Score

8. What is the Gross Vehicle Weight Rating (GVWR)?

Explanation
A Gross Vehicle Weight Rating (GVWR) is the value specified by the manufacturer as the loaded weight of a single vehicle.

9. After an accident, flares should be used with caution because:

Explanation
A common cause of vehicle fires in the aftermath of an accident is the improper use of flares near spilled fuel. Use flares with caution.

10. What is a Gross Vehicle Weight Rating?

Explanation
Gross Vehicle Weight Rating (GVWR) is the weight specified by the manufacturer as the maximum weight of a single vehicle and its load.

11. If another driver is following you too closely, you should do all of the following, except:

Explanation
If you are being followed too closely, you should increase your following distance, avoid making quick moves, and avoid relying on tricks (such as flashing your lights) to help other drivers pass. Speeding up may only increase the danger by causing the tailgater to continue tailgating you at a higher speed.

12. What are placards?

Explanation
Placards are diamond-shaped warning signs that are placed on the outside of vehicles carrying hazardous materials. Placards are used to identify the specific hazard classes of the cargo being carried.

13. During the vehicle inspection portion of the skills test, an applicant will be required to:

Explanation
During the vehicle inspection skills test, you will need to explain to the examiner what you are inspecting and why.

14. You are especially likely to encounter strong winds when:

Explanation
Strong winds can make it difficult to keep a vehicle in its proper lane. Strong wind can be a particular problem when a vehicle is being driven out of a tunnel.
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