纽约州,加州以及其它州商业车驾照拖挂组合理论模拟题复习
驾驶拖挂组合车辆可以成为您商业驾驶生涯中不可或缺的一部分。 不过,在达到这一点之前,您需要通过美国DMV的考试,证明您已经掌握了安全驾驶这些车辆所需的专业知识。 以下30个问题来自官方2025年美国商业车驾照手册,仅涵盖拖挂组合车辆,以帮助您准备此特定的DMV测试。 祝你在练习考试和真正考试的时候好运!
拖挂组合理论模拟考试排行榜
To unlock the fifth wheel the locking lever should be placed in the ___ position
- Closed
- Open - 正确答案
- Neutral
- Left
要解锁牵引座(又称第五轮)与挂车脱离,锁定杆应该处于打开位置
A tractor with a __ trailers requires the shortest amount of the stopping distance.
- Empty
- Fully loaded - 正确答案
- Lightly loaded
- None of these answers are correct
一部卡车拉满载货物的挂车需要最短的停止距离
There are two things that a driver can do to prevent a rollover. They are: (1) keep the cargo as close to the ground as possible, and (2):
- none of these answers are correct
- Keep both hands firmly on the steering wheel
- Go slow around turns - 正确答案
- Make sure that the brakes are properly adjusted
驾驶员可以做两件事来防止拖斗在行驶途中翻了。 它们是:(1)保持货物尽可能靠近地面,(2)转弯时要慢一些
When backing a tractor under a trailer. You should:
- Always approach the trailer at a slight angle
- Always use the highest reverse gear
- Do it quickly to ensure that the kingpin is locked into the fifth wheel
- Always use the lowest reverse gear - 正确答案
将卡车倒到拖斗的下方时,你应始终使用最低的倒档。
The air lines on a combination of vehicles are often colored to prevent them from mixing up. The emergency line is ___, the service line is ___
- Black, Yellow
- Green, Blue
- Brown, Red
- Red, Blue - 正确答案
组合车辆上的刹车管路通常带有颜色,以防止它们混淆。 紧急刹车管路是红色的,服务刹车管路是蓝色的。


