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
Some air brake systems have an alcohol evaporator. What may happen if you don't keep the proper level of am alcohol?
- Ice may form on the brake drums and wear them out
- Ice may form in the air storage tank and cause a brake failure - 正确答案
- The S-cam may not take back when you release the brake pedal
- None of these answer are correct
一些气压刹车系统具有酒精蒸发器。 如果你没有保持适当的酒精,可能会在储气罐中形成冰块并导致刹车故障/失灵。
If your vehicle has an alcohol evaporator, every day during cold weather you should:
- Check and fill the alcohol level - 正确答案
- Change the alcohol from a new bottle
- None of these answers are correct
- Check the oil for alcohol content
如果你的车辆装有酒精蒸发器,则在寒冷天气中,你每天都应检查并补充酒精含量
When brakes are applied the brake shoes will press against the:
- Slack adjuster.
- None of these answers are correct
- S-cam
- Brake drum or disk - 正确答案
当刹车时,刹车片将压在刹车鼓或刹车盘上
The spring brakes used on the chambers in a straight truck will bring you to a stop when air pressure drops below __ PSI
- 30
- 60
- 40
- 20 - 正确答案
当气压降至20 PSI以下时,直式卡车上使用的弹簧刹车器将使你的车停下来
Excessive use of the service brakes results in overheating which can lead to:
- Increase contact between the brake drums and linings
- Expansion of the brake drums - 正确答案
- Proper adjustment of S-cam
- None of these answers are correct
过度使用服务刹车系统会引起刹车过热,从而导致刹车鼓膨胀


