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
Rear
Front
Middle
Question 2
53% answer correctly
When hooking up a tractor to a trailer, the trailer is at the proper height when:
The coupling surface of the trailer is just below the middle of the tractor fifth wheel
The kingpin is just below the middle of the tractor fifth wheel
The coupling surface of the trailer is just above the middle of the tractor fifth wheel
The trailer dolly wheels are just barely off the ground when fully extended
Question 3
84% answer correctly
You`re cranking up the front trailer supports after coupling a trailer. Which of the following is the proper final support and handle configuration?
Fully raised with the crank handle secured
3/4 raised with the crank handle removed
3/4 raised with the crank handle secured
Fully raised with the crank handle removed