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:
Cannot be used
Can be used indefinitely
Immediately fail
Can still be used several times
Question 3
76% answer correctly
An air tank safety valve is typically set at how many psi?
150
200
125
100