CDL Doubles and Triples Practice Test Results

Question 1
79% answer correctly
When should you disconnect the steering axle brakes on the tractor?
When pulling more than two trailers
When more than one of the trailers you`re pulling has brakes
Never
When driving in snowy weather
Question 2
44% answer correctly
What is a converter dolly used for?
To convert a fifth wheel into a dolly
To couple an axle and a fifth wheel
To convert a fifth wheel into an additional axle
To convert an axle into an additional fifth wheel
Question 3
32% answer correctly
Does a converter dolly have spring brakes?
No
Never
Yes
Maybe