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

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免费在线商业车驾照拖挂组合理论模拟考试


To unlock the fifth wheel the locking lever should be placed in the ___ position

  1. Closed
  2. Open - 正确答案
  3. Neutral
  4. 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.

  1. Empty
  2. Fully loaded - 正确答案
  3. Lightly loaded
  4. 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):

  1. none of these answers are correct
  2. Keep both hands firmly on the steering wheel
  3. Go slow around turns - 正确答案
  4. 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:

  1. Always approach the trailer at a slight angle
  2. Always use the highest reverse gear
  3. Do it quickly to ensure that the kingpin is locked into the fifth wheel
  4. 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 ___

  1. Black, Yellow
  2. Green, Blue
  3. Brown, Red
  4. 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。

商业车驾照拖挂组合理论模拟考试