CDL Doubles and Triples Practice Test Results

Question 1
86% answer correctly
During your pre-trip inspection of your double rig you inspect the converter dolly. Its air tank drain valves should be __________ and the pintle hook should be __________.
Open, free
Closed, free
Open, latched
Closed, latched
Question 2
41% answer correctly
How can you check to make sure that trailer height is correct before coupling?
Use both side view mirrors
Raise the landing gear completely
Use a landmark like a nearby tree
All of these are correct
Question 3
77% answer correctly
When you`re connecting a converter dolly to a third trailer the trailer height is correct when which of the following is true?
The kingpin is lined up with the coupling assembly
The trailer will lower slightly when the dolly is under it
The fifth wheel is touching the trailer
The trailer will raise slightly when the dolly is under it