Q
5. How should you test the tractor semi trailer connection for security?
Combination Vehiclesmedium
APull gently forward in low gear against the locked trailer brakes, then look at it carefully.
BPut the tractor in gear and pull ahead with a sharp jerk.
CRock the trailer back and forth with the trailer brakes locked.
Detailed Explanation
The correct answer is "Pull gently forward in low gear against the locked trailer brakes, then look at it carefully.". This is based on federal CDL regulations and safety standards.
Correct Answer: Pull gently forward in low gear against the locked trailer brakes, then look at it carefully.
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