Active Practice Session

Combination Vehicles #7

Question 18

What does the term "tractor jackknife" mean?

A When the trailer detaches from the tractor during high-speed maneuvering. B When the drive wheels on the tractor are locked, causing the tractor to skid to the side while the trailer continues to move straight. C When the tractor and trailer both move in opposite directions due to braking failure.

Select an answer to continue.