纽约州,加州以及其它州商业车驾照气刹理论模拟题复习
驾驶带有空气制动器的车辆需要获取气刹许可证。 在美国,要获得此认可证,申请人必须通过气刹原理考试。 考试由25道选择题组成。 每个问题有四个答案选择。 要通过,申请人必须正确回答至少20个问题。 大部分测试题来自纽约州商用机动车辆驾驶员手册。空气制动器许可证可与 A、B 或 C级的驾照一起使用。
气刹理论模拟考试排行榜
In ideal conditions, a truck or bus with an air brake going at 55 mph would require stopping distance of ___, How many feet?
- Less than 100 feet
- Less than 150 feet
- More than 300 feet - 正确答案
- From 100 to 300 feet
在理想条件下,配备有气刹的卡车或巴士以55 mph(每小时英里)的速度刹车时,将需要300英尺以上的刹车距离
The driver must be able to see a low air pressure warning which comes on before pressure in the service air tanks falls below __ psi
- 40
- 80
- 50
- 60 - 正确答案
驾驶员必须能够看到气压过低警告,该警告会在刹车空气压缩罐中的压力降至60 PSI以下之前发生
To test air service brakes you should:
- None of these answers are correct
- Brake slowly while slowly moving backward
- Stop the vehicle, brake in a low gear, depress the service brakes, and then gently pull against the brakes
- Brake firmly while slowly moving forward - 正确答案
要测试服务刹车系统,你应该在缓慢前进的同时牢牢踩住刹车
The safety valve reduces pressure at __ psi
- 80
- 150 - 正确答案
- 50
- 100
安全阀将在150磅每平方英寸(PSI)时降低气压
The most important thing to do when a low air pressure warning comes on is:
- None of these answers are correct
- to stop and safely park as soon as possible. - 正确答案
- Upshift
- Downshift
出现低气压警告时,最重要的事情是尽快在安全情况下停下来。