Alabama CDL Permit Test - Class A

Number of questions: 50
Passing score: 40
Directions: 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.
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Passing grade —
10 or fewer errors
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1.
A dual air brake system:
Has two separate air brake systems which use a single set of controls
Has a single air brake system, but have two sets of controls
Has one air brake system for the left side and right side of the truck
2.
What is not a sign of a tire failure?
Sound
Vibration
Smoother steering
3.
If carrying a heavy load that is slowing you down, what should you do?
Drive in the left lane
Drive in the right lane
Drive on the shoulder
Keep the vehicle in second gear
4.
Re-grooved tires are:
Allowed only on the front
Allowed only in the rear
Not allowed at all
5.
When only the trailer has ABS:
There is less chance of jack-knifing
There is an increased chance of jack-knifing
The brakes will not work as effectively as without ABS
The brakes will be more sensitive
6.
What does ABS do?
Allows the wheels to lock up
Prevents wheels from locking up
Makes it easier to turn
Assist with the operation of lights
7.
To prevent a vehicle from rolling back when you start, you should:
Turn the engine off
Partly engage the clutch
Apply the emergency brake
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