CDL Air Brakes Practice Test Results

Question 1
76% answer correctly
Pumping of the brakes:
Is recommended to keep air brakes functional
Can reduce air brake functionality
Ha no impact on air brake functionality
Is necessary to keep air brakes functional
Question 2
89% answer correctly
Manual air tank drains should be emptied how often?
Hourly
Daily
Weekly
Monthly
Question 3
84% answer correctly
The low air pressure warning will sound when:
Air pressure falls below 60 psi
Air pressure falls below 50 psi
Air pressure falls to 0 psi
Air pressure falls below 100 psi