2025 Michigan Cdl Tank - Test 1
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 rods in S-cam brakes move the slack adjusters when air pressure is added to the brake chambers. This air pressure is added to the chambers when the driver:
Presses the brake pedal.
Uses the emergency brake.
Uses the trailer hand valve.
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Key Data
Number of Tests: 18
Number of Question: 20
Passing Score: 16
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