Operation & SafetyCâu 55 / 60
When stopping normally with a vehicle equipped with air brakes, how should you apply the brakes?
a.Apply steady, controlled pressure without letting the wheels lock
b.Slam the pedal to the floor immediately
c.Pump the pedal rapidly the entire stop
d.Use only the trailer hand valve
Giải thích
For a normal stop, push the brake pedal down with controlled, steady pressure to slow smoothly without locking the wheels. Locked wheels can cause a skid and loss of control, especially on vehicles without anti-lock brakes. Smooth, firm application gives the best control.
Luyện miễn phí toàn bộ 60 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- Compared to a car, how does the stopping distance of a heavy vehicle with air brakes change as weight and speed increase?
- If your air brakes fail and pressure drops, what safety feature will eventually stop the vehicle?
- What should you do first if the low air pressure warning comes on while driving?
- Why should you not fan (pump) the brakes on and off on a long downgrade with standard air brakes?
- What is the effect of anti-lock braking systems (ABS) on air brake vehicles?
- To make sure you can stop in time, how should you adjust following distance with air brakes at higher speeds?
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Đội Ngũ Biên Tập PrepPass · Đối chiếu với CDL Air Brakes Knowledge Test · Quy trình kiểm tra