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Alabama CDL Permit Test - Knowledge Test Class B

Number of questions: 50
Passing score: 40
Directions: This license is required for driving a single vehicle with a GVWR of more than 26,001 pounds, and a trailer not to exceed 10,000 pounds gross vehicle weight rating, or a vehicle designed to transport 24 or more people (including the driver). 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), Pre-Trip Vehicle Inspection Test, Basic Vehicle Control Skills Test and On-Road Driving.. Endorsements that may be used with a Class B CDL are: Hazardous materials, Tank, Passenger, HazMat and Tank, Air Brakes and School bus.
You have made error so far
Passing grade —
10 or fewer errors
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1.
Having ABS on only one axle:
Can be dangerous.
Still allows you additional control when braking.
Slows the vehicle, but cannot stop it.
2.
To make it as safe as possible to leave a stop, you should park:
So that you must back up to leave your parking space.
So that you can pull forward to leave your parking space.
On the side of a roadway, not in a parking lot.
By backing into a parking space.
3.
Pre-trip inspections are:
Recommended.
Needed only for trips longer than 100 miles in length.
Required by law.
4.
If you are taking the driving test and the route does not include a railroad crossing, you:
Will not have to do anything related to a crossing.
May have to explain how you would cross railroad tracks.
Will have to take a different route.
5.
A slack adjuster should move no more than ____ from where it is attached to the push rod.
Two inches
Five inches
One inch
6.
A tread depth of ____ should be in every major groove of a front tire.
1/32 of an inch
2/32 of an inch
4/32 of an inch
7.
Leaking shock absorbers:
Are normal.
Indicate a potentially dangerous defect.
Will prevent the turn signals from working.
Pose no threat if the vehicle is only driven on highways.
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