CDL Doubles and Triples Practice Test Results

Question 1
52% answer correctly
When might you consider disconnecting the steering axle brakes to help keep a tractor straight?
When the road is slippery
Whenever necessary
When driving on a grade
Never
Question 2
83% answer correctly
You disconnect the dolly from the front trailer while it is still under the rear trailer. What will happen?
It will collapse
Nothing
The dolly tow bar will flip up
The trailers will decouple
Question 3
92% answer correctly
You should allow __________ space between you and the vehicle in front of you when it`s raining
More
Less
The same amount of
Minimal