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。

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免费在线商业车驾照气刹理论模拟考试


The air compressor governor controls:

  1. Air pressure applied to the brakes
  2. None of these answers are correct
  3. Speed of the air compressor
  4. Air is pumped into the air tanks - 正确答案

空气压缩机调速器的功能 - 控制将空气泵入至储气缸

The proper use of the brakes when going down a long steep grade after selecting a proper gear is to brake until your speed is about __ mph below the posted speed for your safety and release your brake

  1. 12 mph
  2. 10 mph
  3. 5 mph - 正确答案
  4. 10 mph

在长时间的陡坡下坡时,选择合适的档位后,正确使用刹车的方法 - 刹车直到你的速度比路面限制的速度低大约5 mph(每小时英里)为止,以确保你可以安全并释放刹车器

Excessive use of the service brakes results in overheating which can lead to:

  1. Increase contact between the brake drums and linings
  2. None of these answers are correct
  3. Expansion of the brake drums - 正确答案
  4. Proper adjustment of S-cam

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

If your vehicle has an alcohol evaporator, every day during cold weather you should:

  1. Check and fill the alcohol level - 正确答案
  2. Change the alcohol from a new bottle
  3. Check the oil for alcohol content
  4. None of these answers are correct

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

Your brakes are fading when:

  1. The brake pedal feel spongy when you apply pressure
  2. Less pressure is needed on the brake pedal for each stop
  3. None of these answers are correct
  4. You have to push hard on a brake pedal to control your speed on a downgrade - 正确答案

当你驾驶的车辆在下坡时需要用力的踩刹车踏板以控制车速,这说明刹车已过度磨损需及时更换。

商业车驾照气刹理论模拟考试