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?
Rear
Front
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 you to come to a sudden stop
It can cause the trailers to become decoupled
It can cause the trailer bakes to fail
It can make the trailer skid
Question 3
89% answer correctly
How much space should exist between the lower and upper fifth wheel plates?
None
Approx. 1/2 inch
Approx. 1 inch
Approx. 1/4 inch