We've upgraded our systems to better serve you. Office wait times will be longer than usual. We appreciate your patience as we change to this new system.

Practice CDL knowledge test: Question 7 of 20

When checking the adjustment on air brakes, slack adjusters should have no more than:

A 1 inch of travel.
B 2 inches of travel.
C 3 inches of travel.
A CORRECT

1 inch of travel.

Next question
B INCORRECT

The correct answer is:
1 inch of travel.

Next question
C INCORRECT

The correct answer is:
1 inch of travel

Next question
Washington Healthcare Finder
Good To Go!
Access Washington – official state government website