CDL Air Brakes Practice Test Results

Question 1
69% answer correctly
If the air compressor stops working, air brakes:
Can be used indefinitely
Cannot be used
Immediately fail
Can still be used several times
Question 2
43% answer correctly
For vehicles that use air brakes, emergency and parking brakes:
Must be a combination of mechanical and air brakes
Are not required
Can only be air brakes
Must be mechanical brakes
Question 3
43% answer correctly
For vehicles that use air brakes, emergency and parking brakes:
Must be mechanical brakes
Must be a combination of mechanical and air brakes
Can only be air brakes
Are not required