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 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 Alabama 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 50

Passing Score 40

1. When driving, it is important that you:

Develop plans to get out of potentially dangerous situations.

Enjoy the scenery.

Turn your head all the way around rather than use mirrors.

When driving, you should continually scan the road for possible hazards. Form plans about what you will do if the hazards develop into emergencies.

2. When pulled off on the side of the road:

A driver should keep the driver’s side door open.

A driver should turn on the emergency flashers.

The driver should wave their arms.

If you must stop on the side of the road, make sure to use your four-way emergency flashers. This is particularly important at night.

3. Antifreeze helps to keep an engine functioning properly:

But only in cold weather.

But only in hot weather.

Regardless of the weather.

While minimizing the vehicle's fuel use.

It is always important to have enough water and antifreeze in a vehicle's cooling system. Despite the name, antifreeze is beneficial to an engine even in hot weather.

4. You should maintain at least ____ of following distance per every 10 feet of your vehicle when you are traveling more slowly than 40 mph.

One second

Two seconds

Three seconds

At speeds below 40 mph, you should allow at least one second of following distance for every 10 feet of your vehicle. Follow the same formula when traveling at faster speeds, then add one additional second to your following distance. Remember that larger vehicles require more space to stop than smaller vehicles.

5. Rough acceleration:

Is a good way to stay awake on long trips.

Is distracting.

Can cause mechanical damage.

Rough acceleration can cause mechanical damage, so be sure to accelerate smoothly and gradually.

6. A sign indicating a maximum safe speed:

Is suggesting a driving speed, but vehicles may travel faster than the posted speed.

Is suggesting a speed limit to be followed only by vehicles weighing more than 26,000 pounds.

Should be followed and no vehicle should travel faster than the posted speed.

Is only applicable to automobiles.

You should never exceed the speed shown on a "Maximum Safe Speed" sign.

7. While operating on a downgrade, you should brake until you reach a speed that is:

5 mph below your safe speed.

10 mph below your safe speed.

15 mph below your safe speed.

While driving downhill, you should hold down the brake pedal until your vehicle reaches a speed 5 mph below your safe speed, then release the brake pedal. Repeat this process.

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