2025 Delaware Cdl Tank - Test 1
The following questions are from real Delaware 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. After finishing a pre-trip inspection, you should:
Leave the rear shut-off valves open.
Remove the service line valve.
Close the emergency line valve.
Leave the emergency line valve open.
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Key Data
Number of Tests: 18
Number of Question: 20
Passing Score: 16
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