2026 Minnesota Cdl Combination - Test 2

The following questions are from real Minnesota 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. Before a drive, ensure that air flows to all trailers by:

Opening the rear shut-off valves and listening for escaping air.
Closing the rear shut-off valves and listening for escaping air.
Disconnecting air supply lines and listening for escaping air.
Rolling each trailer down a hill and testing the brakes.
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