Instructions

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 50

Passing Score 40

1. What is Gross Vehicle Weight (GVW)?

The total weight of a vehicle and its load

The total weight of a vehicle's tractor

The total weight of a loaded trailer

The weight of a tractor and trailer, before adding in the load

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

2. Header boards:

Should never be used.

Protect drivers from being hit by cargo.

Protect drivers' heads when they are entering the cab of a truck.

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

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

Making phone calls to surrounding states.

Using a computerized system that links all states.

Asking the driver.

Looking through the driver's wallet.

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.

4. When driving with a load, the driver should:

Stop and check on the cargo within the first 50 miles of the trip.

Ask other drivers about the condition of their load.

Use the side mirrors only to check on the cargo.

Not check on the cargo if it was secured properly before starting the trip.

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.

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

Because it is always good to accelerate slowly.

To keep from losing control of the vehicle.

So that they do not accelerate faster than the vehicle ahead.

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

6. Driving in extremely hot weather:

Should not be done.

Requires you to remove oil from the engine.

Is safer with less coolant.

Can increase tire pressure.

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.

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

Two

Three

Four

Five

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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