2025 Arizona Cdl Combination - Test 1
The following questions are from real Arizona CDL practice tests. After selecting the answer, you can see the explanation. After confirming, click "Next" to jump to the next question.
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1. When coupling, after you've connected the air lines to the trailer, you should:
Supply air to the trailer.
Activate the emergency brake.
Disconnect the glad hands.
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Key Data
Number of Tests: 18
Number of Question: 20
Passing Score: 16
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