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2025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 hand valve should be used:
- None of these answer are correct
- only with a foot brake
- 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 higher the center of gravity of your truck. the:
- None of these answer are correct
- easier to turn over - 正确答案
- easier to turn around the corner
- more stable while turning
在行驶中,卡车的重心越高,转弯和紧急变道时越容易翻车
Tractor with a __ trailer requires the shortest amount of stopping distance
- Fully loaded - 正确答案
- Partly loaded
- None of these answer are correct
- Empty
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
Which of these statements is true?
- 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
- The brakes and suspension systems of combination vehicles work best with a light load.
- Light vehicles need more braking power to stop than heavy ones
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
When connecting the glad hands, press the two seals with the coupler together at what degree to each other?
- 45 degree
- 120 degree
- 180 degree
- 90 degree - 正确答案
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


