CDL Air Brakes Practice Test Results

Question 1
66% answer correctly
Slack adjusters adjust which of the following?
Slack in the brakes
Slack in the service line
Air tank pressure
Spring brake tension
Question 2
66% answer correctly
Slack adjusters adjust which of the following?
Spring brake tension
Slack in the brakes
Air tank pressure
Slack in the service line
Question 3
89% answer correctly
Manual air tank drains should be emptied how often?
Monthly
Weekly
Daily
Hourly