2025 Michigan Cdl Combination - Test 2
The following questions are from real Michigan 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. The service air line is often controlled by the foot brake and is attached to the ____ valves.
Relay
Supply
Emergency
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Key Data
Number of Tests: 18
Number of Question: 20
Passing Score: 16
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