CDL Air Brakes Practice Test Results

Question 1
82% answer correctly
Air brake systems consist of which three components?
Standard, parking and emergency brakes
Duty, parking and emergency brakes
Service, parking and emergency brakes
Parking and emergency brakes
Question 2
46% answer correctly
How can you test the low pressure warning signal?
Put on the parking brake and continuously pump the brakes
Release the parking brake and continuously pump the brakes
Push the low pressure warning signal test button
Kink the service line
Question 3
84% answer correctly
The low air pressure warning will sound when:
Air pressure falls to 0 psi
Air pressure falls below 50 psi
Air pressure falls below 60 psi
Air pressure falls below 100 psi