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！
拖挂组合理论模拟考试排行榜
sam987654321
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When connecting the glad hands, press the two seals with the coupler together at what degree to each other?
- 90 degree - 正确答案
- 45 degree
- 180 degree
- 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:
- All these answers are true
- The coupling is not right and should be fixed before driving the coupled unit - 正确答案
- The parking lock is off and you may drive away
- 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:
- Level of the ground
- Tilted up toward the end the trailer
- Tilted down toward the end of the trailer - 正确答案
- 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?
- The trailer's tank will exhaust through the open line
- The emergency trailer brakes will come on
- Nothing is likely to happen until you try to apply the brakes - 正确答案
- 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?
- None of these answer are correct
- 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
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
