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
Why should you drain water from compressed air tanks?
- None of these answers are correct
- Water can freeze in cold weather and cause brake failure. - 正确答案
- Water low boiling point reduces braking power
- Water cools the compressor too much
你应将水从压缩空气罐中排出,因为水在寒冷的天气中会结冰并导致刹车失灵。
The use of brakes on a long and steep downgrade under normal conditions is only a supplement to:
- None of these answers are correct
- Use of spring brakes
- The braking effect of the engine - 正确答案
- The use of the front brakes limiting valve
在正常情况下,车辆在长时间下坡情况下,使用刹车器只是对发动机刹车效果的辅助
If your truck has a properly functioning dual air brake system and minimum size air tanks the air pressure should build up from 85 to 100 psi within how many seconds?
- 30
- 45 - 正确答案
- 60
- 50
如果你的卡车配备有功能正常的双气制动系统和最小尺寸的气缸,气压应在45秒内从85 psi升至100 psi?
If you do not have automatic tank drains, how ofter should you drain compressed air storage tanks?
- Once a week
- After every four hours of service
- None of these answers are correct
- At the end of each day of driving - 正确答案
如果你驾驶的卡车上的压缩空气储存罐没有自动释法功能,则应在每天行驶结束时排空压缩空气储存罐
To test air service brakes you should:
- None of these answers are correct
- Brake slowly while slowly moving backward
- Brake firmly while slowly moving forward - 正确答案
- Stop the vehicle, brake in a low gear, depress the service brakes, and then gently pull against the brakes
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


