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
When driving on a grade
Never
Whenever necessary
Question 2
83% answer correctly
You disconnect the dolly from the front trailer while it is still under the rear trailer. What will happen?
The dolly tow bar will flip up
It will collapse
Nothing
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
Minimal
The same amount of
Less
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