CDL Air Brakes Practice Test Results

Question 1
93% answer correctly
Why must air tanks be drained?
So they can be inspected
To verify they meet pressure requirements
To check for leaks
To release oil and water buildup
Question 2
69% answer correctly
If the air compressor stops working, air brakes:
Can be used indefinitely
Immediately fail
Can still be used several times
Cannot be used
Question 3
76% answer correctly
An air tank safety valve is typically set at how many psi?
125
100
150
200