InspectionCâu 37 / 60
When inspecting the trailer's suspension system, what should you look for?
a.Cracked or broken spring hangers, missing or broken leaves, and loose or damaged air suspension parts
b.Only the tire pressure
c.Only the mud flaps
d.The color of the frame
Giải thích
You should inspect the trailer suspension for cracked or broken spring hangers, missing or shifted spring leaves, and any loose or leaking air suspension components. Suspension failures can affect handling and load stability. Also check U-bolts, shock absorbers, and mounting hardware.
Luyện miễn phí toàn bộ 60 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- When inspecting a combination vehicle, why must you check that the trailer is not overloaded or unbalanced?
- What should you look for when inspecting the sliding fifth wheel (if equipped)?
- During the walk-around inspection of a trailer, what should you check about the trailer lights and reflectors?
- What is the purpose of checking the trailer's air tank drain and slack adjusters during inspection?
- Why should you check that the trailer doors, cargo securement, and header board are secure during inspection?
- When performing an air brake check on a combination vehicle, why do you test the tractor protection valve and trailer air supply valve?
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Đội Ngũ Biên Tập PrepPass · Đối chiếu với CDL Combination Vehicles Knowledge Test · Quy trình kiểm tra