2024 CO CDL Practice Test: HazMat - Test
Based on
2024 CO CDL Handbook
24. Most hydraulic brakes fail as a result of one of two common instances. One occurs as a loss of hydraulic pressure. What is the other instance?
A
Too greased.
B
After you've been driving down a long hill with fading brakes.
C
Bad driving.
D
Sunny weather.