2024 CO CDL Practice Test: Class A - Test 2
Based on
2024 CO CDL Handbook
14. Which of the following is a step you should perform to test the trailer service brakes?
A
Reverse the vehicle slowly and apply the brakes with the brake pedal.
B
Move the vehicle forward slowly and apply the brakes with the brake pedal.
C
Move the vehicle forward slowly and apply the brakes with the hand control.
D
Reverse the vehicle slowly and apply the brakes with the hand control.