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2024 AL CDL Practice Test: Double and Triples - Test 5

11. As you are inspecting doubles, ensure the shut off valves at the rear of the trailer are ________.
A
None of the listed answers.
B
Closed at the rear of the front trailer, closed at the rear of the last trailer.
C
Open at the rear of the front trailer, closed at the rear of the last trailer.
D
Open at the rear of the front trailer, open at the rear of the last trailer.
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