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It stops the compressor from pumping air.
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It turns on the air compressor.
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It stores the compressed air.
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Arizona CDL Permit Test - Knowledge Test Class B
(From the 2021 Arizona CDL driver handbook)
| 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 possible answer choices. Test questions come from the Arizona 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.
Passing grade —
10 or fewer errors
advertising
1.
What does the air compressor governor do?
2.
Air brakes use ____ to function.
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Compressed air
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|
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Liquid air
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|
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Nitrogen
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3.
What is a Gross Vehicle Weight Rating (GVWR)?
|
The value stated by the manufacturer as the loaded weight of a single vehicle
|
|
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The rating of a tire
|
|
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The rating of a combination vehicle per axle
|
4.
Hanging meat:
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Should never be transported by trailer.
|
|
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Can be an unstable load.
|
|
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Must be approved by the Environmental Protection Agency (EPA).
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5.
When starting a vehicle, warning lights and buzzers:
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Should not light up or sound.
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|
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Should turn on and shut off quickly.
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Should turn on and remain on.
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6.
You should test the low pressure warning signal by:
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Turning on the engine and applying the trailer hand brake.
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Rapidly pressing and releasing the brake pedal.
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Removing wheel chocks and disengaging the parking brake.
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7.
When applying your brakes, the vehicle should:
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Pull to one side.
|
|
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Squeak.
|
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Not pull to either side.
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