Safe DrivingCâu 39 / 120
How often should you check your mirrors while driving?
a.Regularly, about every 5 to 8 seconds, and before any lane change, turn, or speed change
b.Only when changing lanes
c.Once every mile
d.Only when another vehicle sounds its horn
Giải thích
Frequent scanning every few seconds keeps you aware of traffic entering your blind spots and of your own vehicle and cargo. Checking only at lane changes, at fixed mileage, or after a horn means you learn about hazards too late.
Luyện miễn phí toàn bộ 120 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- You are starting down a long, steep grade in a loaded truck. What is the correct braking technique?
- Which factors determine the safe speed for descending a mountain grade?
- How far ahead should a commercial driver normally be looking while driving?
- Where are the largest blind spots on a tractor-trailer?
- You are driving at night on an unlit two-lane road. Why should you keep your speed low enough to stop within the distance your headlights illuminate?
- You run into dense fog on the highway. What is the best course of action?
Cập nhật gần nhất: · quy trình kiểm tra
Đội Ngũ Biên Tập PrepPass · Đối chiếu với Commercial Driver's License (CDL) General Knowledge Test · Quy trình kiểm tra