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2023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

The fifth wheel locking lever is not locked after the jaws close around the kingpin. This means that:

  1. All these answers are true
  2. The coupling is not right and should be fixed before driving the coupled unit - 正确答案
  3. The parking lock is off and you may drive away
  4. The trailer will not swivel on the fifth wheel.

如果当卡车车头连接到拖斗后,车头的牵引座锁定杆未关闭,这意味着车头连接拖斗不正确,切勿在此情况未解决前上路。

When coupling, the proper position of the fifth wheel is:

  1. Level of the ground
  2. Tilted up toward the end the trailer
  3. Tilted down toward the end of the trailer - 正确答案
  4. Tilted down toward the front of the tractor

当车头连接时,牵引座( 第五轮 / fifth wheel )的正确位置应该是朝拖斗的方向,向下倾斜

If the service line comes apart while you are driving a combination vehicle but the emergency line stays together, What will happen right away?

  1. The trailer's tank will exhaust through the open line
  2. The emergency trailer brakes will come on
  3. Nothing is likely to happen until you try to apply the brakes - 正确答案
  4. None of these answers are correct

如果您在驾驶一部组合卡车时服务刹车管道脱落,但紧急刹车管道还保持在一起,那么除非你尝试踩刹车,否则一般情况下什么都不会发生

Which of these statements is true?

  1. None of these answer are correct
  2. Light vehicles need more braking power to stop than heavy ones
  3. The brakes and suspension systems of combination vehicles work best with a light load.
  4. Bobtail tractors can take longer to stop than a combination vehicle loaded to maximum gross weight - 正确答案

短尾牵引车要比装载至最大毛重的混合卡车需要更长的时间停下来

商业车驾照拖挂组合理论模拟考试