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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.
During a vehicle inspection, be sure that:
The emergency exits are difficult to open.
The emergency exit warning devices work properly.
The emergency exits squeak.
The emergency exits are not accessible from inside the cab.
2.
During a pre-trip inspection, what is the best method for checking your lights?
Parking near a mirror to look for a reflection
Activating the lights, then exiting the vehicle to check
Looking on the instrument panel to see if any warning lights are illuminated
Driving in traffic and waiting for other drivers to let you know your lights are out
3.
What is sleep debt?
When you fall behind on sleep
When you want to take a nap
Excess sleep
The amount of time it takes to get ready to drive after sleeping
4.
A modulating control valve can control the:
Spring brakes.
Landing gear.
Air brakes.
Anti-lock braking system (ABS).
5.
When backing, a helper:
Should be used whenever possible.
Often adds to the confusion of backing.
Should only be used if the driver is not feeling confident.
Would likely get in the way.
6.
Pressing and releasing a brake pedal unnecessarily can:
Release air faster than it can be replaced.
Add more air to the braking system.
Make the brake pedal more sensitive.
Create a loud noise.
7.
Sending text messages while driving:
May be done if the messages are short.
Is encouraged.
Is permitted if you are asking a question of your employer.
Is not permitted.
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