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
To test air service brakes you should:
- Brake firmly while slowly moving forward - 正确答案
- None of these answers are correct
- Stop the vehicle, brake in a low gear, depress the service brakes, and then gently pull against the brakes
- Brake slowly while slowly moving backward
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
Why drain water from compressed air tanks?
- Water can freeze in cold weather and cause brake failure - 正确答案
- None of these answers are correct
- Water cools the compressor too much
- Water low boiling point reduces braking power
你应该定期的排出压缩空气罐中的水。 因为水在寒冷的天气会结冰并导致刹车故障
Under normal conditions in order to engage the parking brakes. The driver should:
- Turn off the engine
- Let the air out of the air brake system - 正确答案
- None of these answers are correct
- Be sure air brakes system is fully pressurized.
正常情况下要启用驻车刹车器。 驾驶员应将空气排出空气刹车系统
The most common type of foundation brake found on heavy vehicles is the:
- Wedge drum
- None of these answers are correct
- S-cam drum - 正确答案
- Disk
重型车辆上最常见的基础刹车器是S型凸轮鼓
The modern air brake system combines three different systems. They are the service, the parking, and __ brakes.
- Foot
- Emergency - 正确答案
- None of these answers are correct
- Drum
现代的气压刹车系统结合了三种不同的系统。 它们是服务(行车),泊车和紧急刹车。


