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
After you supply air to the trailer. make sure the air lines are not crossed and the trailer brakes are working. This is done by:
- None of these answers are correct
- Lifting the brake pedal
- Watching your mirrors to see if the trailer lights come on
- Applying and releasing the trailer brakes and listening for the sound of the brake - 正确答案
向拖斗供气后,为确保服务刹车管和拖斗刹车管没有弄混了,且拖车刹车正在工作,可以通过踩放刹车然后听拖斗刹车的声音。
If the service line comes apart while you are driving a combination vehicle but the emergency line stays together, What will happen right away?
- The trailer's tank will exhaust through the open line
- The emergency trailer brakes will come on
- None of these answers are correct
- Nothing is likely to happen until you try to apply the brakes - 正确答案
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
The hand valve should be used:
- only with a foot brake
- None of these answer are correct
- as a parking brake
- 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
The semitrailer made before 1975 that are equipped with the air brakes:
- Usually need a glad hand converter
- Have only a emergency air line
- Often do not have spring brakes - 正确答案
- Have only a service air line
1975年之前生产的装有气刹的半挂车通常没有弹簧刹车系统
When you get ready to back under semitrailer you should line up:
- The left rear outer dual wheel with the kingpin
- The kingpin to engage the driver's side locking jaw first
- 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


