CDL Combination Vehicles Practice Test Results

Question 1
87% answer correctly
You`re pulling triples and turn suddenly. Which trailer is most likely to turn over?
All are equally likely to turn over
Front
Rear
Middle
Question 2
86% answer correctly
Which of the following is a good reason to not use the trailer hand valve while driving?
It can make the trailer skid
It can cause you to come to a sudden stop
It can cause the trailers to become decoupled
It can cause the trailer bakes to fail
Question 3
87% answer correctly
In which of the following circumstances should the valve hand be used to park a combination vehicle?
When parked on a grade
Never
When unloading
When parking for less than 10 minutes