InspectionCâu 31 / 60
When checking the trailer service brakes during a combination vehicle inspection, what should you do?
a.Only look at the brake lights
b.Rev the engine and listen
c.Charge the system, release the parking brakes, move slowly, and apply the brake pedal to confirm the vehicle stops and does not pull to one side
d.Disconnect the glad hands
Giải thích
To check service brakes, charge the air system, release the parking brakes, roll forward slowly, and press the brake pedal. The vehicle should stop straight without pulling to one side and without unusual feel. Pulling or a delayed stop can indicate a brake problem on the tractor or trailer.
Luyện miễn phí toàn bộ 60 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- During a combination vehicle inspection, what should you check about the landing gear?
- When inspecting the electrical connection between tractor and trailer, what should you verify?
- How can you test whether the trailer emergency brakes work during an inspection?
- What should you inspect on the trailer's tires and wheels during a pre-trip?
- Why should you check the air line connections between the tractor and trailer for leaks?
- When inspecting a combination vehicle, why must you check that the trailer is not overloaded or unbalanced?
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