Question 12 of 20
Score: 0/0True or False: When the tractor and trailer are coupled, there should be a slight gap between the fifth wheel and the apron, allowing you to see light between them.
ExplanationThere should be no visible gap between the fifth wheel and the trailer apron. A gap may indicate an improper connection, which can lead to a dangerous uncoupling while driving.
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Did you know? Know your out-of-service items — a cracked drum or a flat isn't a maybe.
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