Question 9 of 20
Score: 0/0When preparing to back under a semi-trailer for coupling, how do you know the trailer is at the proper height?
ExplanationThe trailer should be positioned just low enough so that as the tractor backs under, it raises the trailer slightly, helping to ensure proper fifth wheel connection.
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Did you know? Off-tracking means your trailer cuts the corner; account for it on every tight turn.
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