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!
拖挂组合理论模拟考试排行榜
After connecting the air lines but before backing under the trailer you should:
- Make sure that the trailer brakes are off
- Supply air to the trailer system, then pull out the air supply knob - 正确答案
- None of these answers are correct
- Walk around the rig to be sure that is is clear
在倒车拖车下方之前,连接服务刹车和拖斗气管之后,应先向拖斗刹车系统供气,然后拉出空气供应旋钮
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
Which of these statements is true?
- Light vehicles need more braking power to stop than heavy ones
- Bobtail tractors can take longer to stop than a combination vehicle loaded to maximum gross weight - 正确答案
- The brakes and suspension systems of combination vehicles work best with a light load.
- 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
The tractor protection valve will close and the trailer emergency brakes will come on when there is a major leak in the __ brake line
- Hydraulic
- Emergency - 正确答案
- Service
- Parking
当紧急刹车管道中发生重大泄漏时,车头的保护阀将关闭,拖斗的紧急刹车将开启
A tractor with a __ trailers requires the shortest amount of the stopping distance.
- Fully loaded - 正确答案
- Lightly loaded
- Empty
- None of these answers are correct
一部卡车拉满载货物的挂车需要最短的停止距离