2025 Ohio Cdl Air Brakes - Test 1
The following questions are from real Ohio 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. Air storage tanks:
Are not allowed on a vehicle.
Hold compressed air for the brakes.
Should be drained of excess air after every trip.
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Key Data
Number of Tests: 18
Number of Question: 25
Passing Score: 20
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