CDL Doubles and Triples Practice Test Results

Question 1
74% answer correctly
What is required before you supply air to the air tanks of the second trailer?
Open the shut off valves of both trailers
Open the shut off valves of the second trailer and close the shut off valves of the first trailer
Open the shut off valves of the first trailer and close the shut off valves of the second trailer
Close the shut off valves of both trailers
Question 2
80% answer correctly
How should you order trailers when pulling more than one?
Place the lightest trailer directly behind the tractor
Place the heaviest trailer directly behind the tractor
Place the longest trailer directly behind the tractor
Place the shortest trailer directly behind the tractor
Question 3
92% answer correctly
You should allow __________ space between you and the vehicle in front of you when it`s raining
The same amount of
Minimal
More
Less