After you lock the kingpin into the fifth wheel, you should check the connection by pulling

After you lock the kingpin into the fifth wheel, you should check the connection by pulling


a) Forward 50 feet, then turning right, and then left

b) The tractor ahead sharply to release the trailer brakes

c) The tractor ahead gently with the trailer brakes locked



Answer: c) The tractor ahead gently with the trailer brakes locked


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