Driving SafelyCâu 58 / 60
When changing lanes or merging in a combination vehicle, why must you allow extra space and time?
a.Because the trailer has no mirrors
b.Because the vehicle is long and the trailer off-tracks, so you need more room for the whole rig to clear
c.Because the engine is slow to start
d.Because the trailer brakes are stronger
Giải thích
A combination vehicle is long, accelerates slowly, and the trailer off-tracks, so you need more space and time to change lanes or merge safely. You must be sure the entire rig, including the trailing trailer, will clear other vehicles. Checking mirrors and signaling early are essential.
Luyện miễn phí toàn bộ 60 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- When driving a combination vehicle on a curved highway exit ramp, what should you do?
- How does the trailer respond to steering inputs compared to the tractor, and why does this matter?
- What is the safest way to brake in a combination vehicle to avoid a skid?
- Why should you generally avoid using the trailer hand valve (trolley/spike valve) to control the vehicle in normal driving?
- On a slippery road, how should you adjust your driving in a combination vehicle to prevent skids?
- Why is it important to check your mirrors frequently when driving a combination vehicle?
Cập nhật gần nhất: · quy trình kiểm tra
Đội Ngũ Biên Tập PrepPass · Đối chiếu với CDL Combination Vehicles Knowledge Test · Quy trình kiểm tra