Practice Test Bank
Privacy Policy
Contact
CDL Air Brakes Practice Test Results
Question 1
68% answer correctly
What are spring brakes used for?
Trailer brakes
Cab brakes
Air brakes
Emergency and parking brakes
Question 2
35% answer correctly
Automatic air tank drains should be emptied how often?
Monthly
Weekly
Never
Daily
Question 3
35% answer correctly
Automatic air tank drains should be emptied how often?
Weekly
Monthly
Daily
Never