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