2025 Maryland Cdl Air Brakes - Test 1
The following questions are from real Maryland 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. To inspect slack adjusters on S-cam brakes, you need to:
Park on a hill and test the brakes.
Put on gloves and push in the slack adjusters.
Remove the drum and look inside.
Chock the wheels and disengage the parking brake.
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Key Data
Number of Tests: 18
Number of Question: 25
Passing Score: 20
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