2025 Pennsylvania Cdl Tank - Test 2

The following questions are from real Pennsylvania 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. When coupling a trailer:

Make sure to couple matching glad hands.
Any glad hand can be connected to any other glad hand.
It is best to leave one glad hand unattached.
Only one set of glad hands should be connected.
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