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