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!

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免费在线商业车驾照拖挂组合理论模拟考试


When connecting the glad hands, press the two seals with the coupler together at what degree to each other?

  1. 90 degree - 正确答案
  2. 45 degree
  3. 180 degree
  4. 120 degree

当车头的刹车气管连接到拖斗时,应该将车头气管的密封橡皮圈以90度的角度,与拖斗的气管接收处的密封橡皮圈以90度的角度对齐

Compared to a straight truck or bus there are __ things to inspect in a combination vehicle

  1. More - 正确答案
  2. The same number
  3. None of these answers are correct
  4. Few

与货车或巴士相比,混合卡车做车身检查时,需要检查的东西更多

You have coupled with a semitrailer. Where should you put the iron trailer supports before driving away

  1. Raised 1/4 way with the crank handle secured in its bracket
  2. 3 turns off the top with the crank handle secured in its bracket
  3. Fully raised with the crank handle secured in its bracket - 正确答案
  4. Raised 1/2 way with the crank handle secured in its bracket

当车头已经与拖斗连接上,准备开车离开之前,应完全的将拖车支架收起,并将曲柄固定在支架上的收放处。

Before you back under a trailer, make sure that:

  1. the tractor protection valve is normal
  2. none of these answers are correct
  3. the trailer brakes are locked - 正确答案
  4. the air supply knob is in

在将车头倒到拖斗下方之前,请确保拖斗的刹车为锁定状态。

Why should you be sure that the fifth wheel plate is greased as required

  1. none of these answers are correct
  2. To ensure a good electrical connection
  3. To reduce heat and noise
  4. To prevent steering problems - 正确答案

你应该确保对牵引座(第五轮)板进行了润滑以防止转向问题。

商业车驾照拖挂组合理论模拟考试