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2024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


After connecting the air lines but before backing under the trailer you should:

  1. Make sure that the trailer brakes are off
  2. Supply air to the trailer system, then pull out the air supply knob - 正确答案
  3. None of these answers are correct
  4. Walk around the rig to be sure that is is clear

在倒车拖车下方之前,连接服务刹车和拖斗气管之后,应先向拖斗刹车系统供气,然后拉出空气供应旋钮

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. Make sure that the brakes are properly adjusted
  4. Go slow around turns - 正确答案

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

The air leakage rate for a combination vehicle (engine off, brakes on) should be less than __ psi per minute

  1. 1
  2. 4 - 正确答案
  3. 3
  4. 2

混合动力车辆(熄火,刹车打开)的漏气速率应小于每分钟 4 psi

Your emergency air line breaks or gets pulled apart while you are driving. the loss of pressure will cause the:

  1. Emergency trailer brakes to come on - 正确答案
  2. Air compressor to unload instead of pumping air
  3. Tractor's air to dump into the trailer tank through the service line
  4. none of these answers are correct

行驶期间,紧急空气管线断裂或被拉断。 压力损失将导致拖斗的紧急刹车按钮弹出,导致拖斗紧急刹车。

The hand valve should be used:

  1. None of these answer are correct
  2. as a parking brake
  3. only with a foot brake
  4. to test the trailer brakes - 正确答案

手动阀门只可以用于测试拖斗的刹车,不可以用于泊车停车

商业车驾照拖挂组合理论模拟考试