After hooking up, you should check the fifth wheel connection by:
A. Driving away at 20 mph and pulling down the trailer hand valve.
B. Backing up with the trailer brakes released.
C. Pulling the tractor ahead gently with the trailer brakes locked.
Answer: C. Pulling the tractor ahead gently with the trailer brakes locked.
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.