Q
To test the trailer service brakes, you should:
Combination Vehiclesmedium
AAccelerate then brake sharply
BMove the vehicle forward slowly and apply the brakes with the hand control.
CUse the foot brake only
Detailed Explanation
The correct answer is "Move the vehicle forward slowly and apply the brakes with the hand control.". This is based on federal CDL regulations and safety standards.
Correct Answer: Move the vehicle forward slowly and apply the brakes with the hand control.
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