arrow

2024 KS CDL Practice Test: Class A - Test 2

16. On a truck with air brakes, what does the braking system’s air compressor do?
A
It maintains the proper level of air pressure so that the air brakes and any other air-powered accessories operate safely and consistently.
B
It makes you drive faster.
C
It obey school crossing-guards.
More
16/29
Progress
0
Errors
Restart
Next
Next
Class A - Test 2
  • Back to Test List
  • Class A - Test 1
  • Class A - Test 3
  • Challenge Library
    12