Question 19 of 20
Score: 0/0What does it mean when a tractor jackknife occurs?
ExplanationA tractor jackknife happens when the tractor’s drive wheels lock up, causing the tractor to skid and spin around, creating a sharp angle between the tractor and the trailer.
Missing these? The CDL Study Bundle turns the rules you keep getting wrong into one quick reference.
Next Question →
Did you know? Off-tracking means your trailer cuts the corner; account for it on every tight turn.
← Back to Combination Vehicles tests