CDL Doubles and Triples Practice Test Results

Question 1
84% answer correctly
Driving a truck with double or triple trailers requires:
All of these are correct
More following distance than driving with a single trailer
More skill than driving with a single trailer
More care when driving in bad weather and on grades
Question 2
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 __________.
Closed, free
Open, free
Open, latched
Closed, latched
Question 3
14% answer correctly
The locking lever safety catch for the fifth wheel must be __________ for a coupling to be complete.
Removed from the locking lever
Threaded through the locking lever
Over the locking lever
Behind the locking lever