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2026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
The fifth wheel locking lever is not locked after the jaws close around the kingpin. This means that:
- The parking lock is off and you may drive away
- The coupling is not right and should be fixed before driving the coupled unit - 正确答案
- All these answers are true
- 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。
Tractor with a __ trailer requires the shortest amount of stopping distance
- None of these answer are correct
- Empty
- Partly loaded
- Fully loaded - 正确答案
相比车头拉着没有载满货物的拖斗,车头拉着满载货物的拖斗需要更短的距离停下来
When you get ready to back under semitrailer you should line up:
- The kingpin to engage the driver's side locking jaw first
- The left rear outer dual wheel with the kingpin
- None of these answer are correct
- Directly in front of the trailer - 正确答案
当你准备好将车头倒车连接半挂车时,你应该尽量将车头与挂车直线对其
You have coupled with a semitrailer. Where should you put the iron trailer supports before driving away
- Fully raised with the crank handle secured in its bracket - 正确答案
- Raised 1/4 way with the crank handle secured in its bracket
- Raised 1/2 way with the crank handle secured in its bracket
- 3 turns off the top 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。
Which of these statements is true?
- Light vehicles need more braking power to stop than heavy ones
- The brakes and suspension systems of combination vehicles work best with a light load.
- Bobtail tractors can take longer to stop than a combination vehicle loaded to maximum gross weight - 正确答案
- None of these answer are correct
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


