Oregon cdl Class B Knowledge Test - 1
Number of questions: 50
Passing score: 80%
Acceptable number of errors: 10
9. What does an Anti-Lock Braking System (ABS) do?
A
×
Allow the rear wheels to lock up
B
×
Allow all wheels to lock up
C
√
Help prevent wheel lockup
D
×
Alert other motorists when you are braking