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
Repeatedly partially releasing and pressing the brake pedal may result in:
- A loss of brake air pressure - 正确答案
- No change of brake air pressure
- None of these answers are correct
- A build up of brake air pressure
反复释放和踩下刹车踏板可能会导致刹车气压损失
Why should you drain water from compressed air tanks?
- Water low boiling point reduces braking power
- Water cools the compressor too much
- None of these answers are correct
- Water can freeze in cold weather and cause brake failure. - 正确答案
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 driver must be able to see a low air pressure warning which comes on before pressure in the service air tanks falls below ___ PSI
- 80
- 60 - 正确答案
- 30
- 40
驾驶员必须能够看到气压过低警告,该警告会在行车(服务)刹车储蓄气缸中的压力降至60 PSI以下前发生
Emergency stab braking is:
- Press on the brake pedal as hard as you can, release the brakes when the wheels locked, brakes again when the wheels start rolling - 正确答案
- None of these answers are correct
- Use light steady pressure on the brake pedal
- When you press hard on a brake pedal and apply hand valve while you stop
紧急点刹是指在遇到紧急情况时,尽可能用力踩刹车踏板,当车轮锁住时释放刹车踏板,然后在车轮重新开始滚动时再次踩下刹车踏板
Parking or emergency brakes of trucks and buses can be legally held by __ pressure
- None of these answers are correct
- Fluid
- Air
- Spring - 正确答案
卡车和巴士的驻车刹车或紧急刹车,可以合法通过弹簧压力保持住