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
The parking or emergency brake on a heavy vehicle can only be held in position by something that cannot leak away, like:
- Hydraulic pressure
- Air pressure
- None of these answers are correct
- Spring pressure - 正确答案
重型车辆上的泊车或紧急刹车器只能通过诸如弹簧压力之类不能泄漏的东西保持在原位
The most important thing to do when a low air pressure warning comes on is:
- Upshift
- None of these answers are correct
- to stop and safely park as soon as possible. - 正确答案
- 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。
The application pressure gauge shows how much air pressure you:
- Have in a modulating control valve
- None of these answers are correct
- Are applying to the brakes - 正确答案
- Have in the air tanks
应用压力表 - 显示你正在向刹车器施加多少气压
The air loss rate for a straight truck or bus with the engine off and the brakes on should not be more than:
- 4 psi in 50 seconds
- 1 psi in 30 seconds
- 2 psi in 45 seconds
- 3 psi in one minute - 正确答案
发动机熄火且泊车刹车系统打开的情况下,卡车或巴士的空气损失率在一分钟内不应超过3 psi(磅每平方英寸)
All air brake equipped vehicles have
- An air usage gauge.
- A supply pressure gauge - 正确答案
- A backup hydraulic system
- None of these answers are correct
所有配备气压刹车的车辆都配有供气压力表。


