In a set of doubles or triples on a CDL test, the trailer most likely to turn over first is the last trailer in the combination due to the "crack-the-whip" effect, where sudden movements cause the rear trailers to swing out more significantly, increasing the risk of rollover.
One of the answers is "Never use the hand brake", and several questions later the answer is "Use the hand brake while going down the road to straighten out a jackknife"? Riiiiiiight.
In a set of doubles or triples on a CDL test, the trailer most likely to turn over first is the last trailer in the combination due to the "crack-the-whip" effect, where sudden movements cause the rear trailers to swing out more significantly, increasing the risk of rollover.
One of the answers is "Never use the hand brake", and several questions later the answer is "Use the hand brake while going down the road to straighten out a jackknife"? Riiiiiiight.
4:42 Question 15. If you Google this question, you are told to NEVER use the brake to straighten a jackknifing trailer.
So many bad answers, I recommend going elsewhere for your knowledge