|
Are not allowed on a vehicle.
|
|
|
Hold compressed air for the brakes.
|
|
|
Should be drained of excess air after every trip.
|
Arizona CDL Permit Test - Knowledge Test Class A
(From the 2020 Arizona CDL driver handbook)
| 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 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), 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.
Passing grade —
10 or fewer errors
advertising
1.
Air storage tanks:
2.
A ____ allows a driver to gradually apply spring brakes.
|
Modulating control valve
|
|
|
Trailer air supply control
|
|
|
Relay valve
|
3.
The effects of alcohol are felt:
|
With the first drink.
|
|
|
Only after several drinks have been consumed.
|
|
|
At the legal limit.
|
4.
When the spring brakes are on, you should never:
|
Turn on the lights.
|
|
|
Turn off the vehicle.
|
|
|
Push down the brake pedal.
|
5.
A fatigued driver:
|
Is usually extra alert.
|
|
|
Is usually more conscientious than a typical driver.
|
|
|
May be slower to make critical decisions than a typical driver.
|
6.
When driving, mirrors should be used:
|
Only when there may be a problem.
|
|
|
Infrequently.
|
|
|
Regularly.
|
7.
What is brake lag?
|
The time required for the brakes to work after the brake pedal is pressed
|
|
|
The distance between the brake pedal and the floor
|
|
|
The amount of air pressure used to stop the vehicle
|
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