2025 Washington Cdl Combination - Test 1
The following questions are from real Washington 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. If the emergency air line loses pressure:
The Anti-Lock Braking System will activate.
The service air line will activate.
The emergency brakes will activate.
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Key Data
Number of Tests: 18
Number of Question: 20
Passing Score: 16
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