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Arizona CDL Permit 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 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.
You have made error so far
Passing grade —
10 or fewer errors
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8.
Rough acceleration:
Can damage a vehicle.
Is common if a vehicle is warmed up.
Is encouraged to improve gas mileage.
9.
When checking your mirrors:
The passenger side mirror should not be used.
The driver's side mirror should not be used.
Mirrors on both sides of the vehicle should be used.
10.
When loading a trailer, you should:
Place as little weight as possible over the axles.
Place a well-balanced amount of weight over the axles.
Not be concerned with how the weight is distributed.
11.
Why do large vehicles use air brakes?
Other brake systems squeak too loudly.
Air brakes are very effective systems.
Other braking systems are hard to come by.
12.
If trying to correct a drive-wheel braking skid, the driver should:
Accelerate.
Countersteer.
Engage the emergency brake.
13.
When checking tires, which of the following should not cause concern?
Too much air pressure
Tread of at least 4/32 of an inch on front tires
Radial and bias-ply tires used together
14.
Which of the following is not a warning sign of fatigue?
Difficulty focusing
Staying within your lane
Rubbing your eyes
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