Knowledge Test Class A

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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..

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.

Passing grade:

What is Gross Vehicle Weight (GVW)?

Explanation
Gross Vehicle Weight (GVW) is defined as the total weight of a single vehicle in addition to its load.

Header boards:

Explanation
A header board protects a driver from moving cargo in the event of a crash or emergency stop.

States verify that a CDL or CLP driver has only one such license by:

Explanation
All U.S. states share information about CDL and CLP licenses in a computerized database. If you apply for a license in one state, a state will check this database to verify that you do not already have one such license in another state.

When driving with a load, the driver should:

Explanation
Cargo and its securing devices must be inspected before starting a trip. After beginning a trip, the driver should check the load and securing devices within the first 50 miles on the road, every three hours or 150 miles traveled, and after every break.

If driving on a surface with poor traction, a driver should accelerate slowly:

Explanation
To avoid a loss of control, you should accelerate slowly when driving in poor-traction conditions, such as rain or snow.

Driving in extremely hot weather:

Explanation
In extremely hot weather, tire pressure can increase to dangerous levels due to the expansion of the air in heat. To keep an engine from overheating, it is important that there be enough oil and coolant in the engine compartment.

If a load is 40 feet long, it must be secured by a minimum of ____ tie-downs.

Explanation
On flatbed trailers and trailers without sides, cargo needs to be tied down. There should be at least one tie-down for every 10 feet of cargo. Regardless of the size of the cargo, at least two tie-downs must be used.
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