CDL Doubles and Triples Practice Test Results

Question 1
69% answer correctly
Which of the following statements is true?
At highway speeds you should look ahead one-quarter mile
Many drivers don`t look far enough ahead when driving
Good drivers shift their attention from side to side and near to far
All of these are true
Question 2
77% answer correctly
How should the shut off valves be set on a double trailer?
Rear of front trailer open, rear of back trailer closed
Rear of front trailer closed, rear of back trailer closed
Rear of back trailer open, rear of front trailer closed
Rear of front trailer open, rear of back trailer open
Question 3
94% answer correctly
When inspecting the converter dolly coupling to the rear trailer, how much space should there be between the upper and lower fifth wheel?
None
1/2 inch
1 inch
Varies depending on the load