arrow

2024 IA CDL Practice Test: Air Brakes - Test

18. On a truck with air brakes, what does the braking system’s air compressor do?
A
It fills the tires
B
It moves sir to the back of the truck
C
It pumps it into the air storage tanks
More
18/25
Progress
0
Errors
Restart
Next
Next
Air Brakes - Test
  • Back to Test List
  • Tank - Test 5
  • All - Test
  • Challenge Library
    12