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. In hot weather, spots on the pavement where tar is bleeding:

Are very slippery.

Offer the same amount of traction as the rest of the roadway.

Offer more traction than the rest of the roadway.

Tar in road pavement often rises to the surface of the road, or "bleeds," in very hot weather. Watch for such areas because they can be very slippery.

2. With your low beam headlights turned on, you should be able to see about ____ ahead of your vehicle.

15 feet

75 feet

100 feet

250 feet

Low beam headlights allow you to see about 250 feet ahead of your vehicle. When driving at night, adjust your speed so that you will be able to stop in the distance illuminated by your headlights.

3. During the vehicle inspection test, you will be asked to:

Change a tire.

Explain to the examiner what you would inspect and why.

Estimate the weight of a load in a trailer.

Change a windshield wiper.

During the CDL vehicle inspection test, you must be able to inspect your vehicle and explain to the examiner what you are inspecting and why.

4. When looking under your vehicle's hood during a pre-trip inspection, you should:

Use the parking brakes and/or chock blocks.

Leave the vehicle in a low gear.

Remove the battery.

Disconnect the radiator.

Before inspecting under a vehicle's hood, make sure the parking brake is engaged and/or the wheels are properly chocked.

5. Accelerating roughly is:

Encouraged at slow speeds.

Encouraged at all speeds.

Discouraged, as it may cause damage to the vehicle.

Discouraged, as it may confuse other drivers.

When accelerating, speed up smoothly and gradually so your vehicle does not jerk. Rough acceleration can cause mechanical damage.

6. If you are turning left and there are two available left turn lanes, which lane should you choose?

The left lane

The right lane

Either lane

Trucks should not turn where there are two left turn lanes.

A large vehicle may need to swing right to make a left turn. If an intersection has two left turn lanes, the driver should choose the righthand land to begin their turn.

7. If turning to avoid a hazard:

You should brake hard.

You should not brake as it may cause the wheels to lock.

You should turn very sharply.

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.

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