CDL - Combination Vehicle Practice
Test ( 39 questions and answers )
A tractor with a(n) ________ trailer requires the shortest amount of
stopping distance .
1. empty
2. fully loaded
3. lightly loaded
fully loaded
We have an expert-written solution to this problem!
The air leakage rate for a combination vehicle ( engine off, brakes on)
should not be more than _____ psi per minute .
1. 4
2. 6
3. 2
4
If you do not do the final air brake check for air leaks and fix them
before driving,
1. you could lose your brakes while driving
2. your fuel usage will increase
3. tire pressure will drop
you could lose your brakes while driving
Which part of the kingpin should the locking jaws close around?
