AIR BRAKES CDL PRACTICE TEST - ARIZONA
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The air brakes endorsement applies to applicants who wish to drive a vehicle with air brakes in Class A, B, or C CDL. To drive a vehicle with air brakes, you must pass the air brake component of the Arizona CDL knowledge test. The AZ CDL air brakes test consists of 25 questions, and you'll need at least 20 correct answers to pass (80%). The test covers the information found in the air brakes section of the Arizona CDL Manual. Take this AZ CDL practice test now to prepare for the actual air brakes test!
1.
When backing a trailer, turn the wheel right to make the cab go ________ and the trailer go ________.
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left; left
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left; right
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right; left
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2.
If the ABS is not working:
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you still have normal brake functions.
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the vehicle will have weak brakes.
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the vehicle will have no brakes.
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3.
Before starting down a hill, you should:
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slow down and shift to a lower gear.
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look for an escape route.
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release the accelerator and shift to Neutral at the same time.
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4.
Air pressure should build up in a single air system, within about:
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15 minutes.
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10 minutes.
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3 minutes.
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5.
Your vehicle has a dual air brake system. If one air system is very low on pressure, you should:
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call your dispatcher or supervisor for instructions.
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reduce your speed and check the low air pressure warning signal for the other system regularly.
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bring the vehicle to a safe stop, and have the air brakes system fixed.
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