CDL Air Brakes Practice Test Results

Question 1
35% answer correctly
Automatic air tank drains should be emptied how often?
Never
Weekly
Monthly
Daily
Question 2
69% answer correctly
If the air compressor stops working, air brakes:
Can still be used several times
Immediately fail
Can be used indefinitely
Cannot be used
Question 3
76% answer correctly
An air tank safety valve is typically set at how many psi?
125
200
150
100