Alabama Driver’s Examination

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..

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
Passing Score

When driving, it is important that you:

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

When pulled off on the side of the road:

Explanation
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.

Antifreeze helps to keep an engine functioning properly:

Explanation
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.

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

Explanation
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.

Rough acceleration:

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

A sign indicating a maximum safe speed:

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

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

Explanation
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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