2025 Maryland Cdl HazMat - 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. In general, when loading a tank with flammable liquids:
The engine should be running.
A ground should be established before opening the filling hole.
A ground should be broken right before opening the filling hole.
The filling hole should be locked during loading.
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Key Data
Number of Tests: 18
Number of Question: 30
Passing Score: 24
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