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
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The S-cam
- None of these answers are correct
- Pulls the brake shoes away from the drum and allow the wheels to roll freely
- Force the brake shoes against the inside of the brake drum - 正确答案
- Controls the flow air to each of the brake chambers.
S凸轮强制将刹车片压向刹车鼓内部，从而起到刹车作用。
Your truck or bus has a dual air brake system. If a low air pressure warning comes on for only one system, what should you do?
- Stop right away and safely park, Continue only after the system is fixed. - 正确答案
- Reduce your speed and drive to the nearest garage for repairs.
- Reduce your speed, and test the remaining system while under way.
- None of these answers are correct
你的卡车或客车具有双气压刹车系统。 如果仅一个系统出现低气压警告，则应立即在安全情况下停下来，仅在系统修复后才可以继续上路。
Some air brake systems have an alcohol evaporator. What may happen if you don't keep the proper level of am alcohol?
- The S-cam may not take back when you release the brake pedal
- 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
- 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 air pressure is not built up within the correct amount of time, then:
- None of these answers are correct
- You should be ready to use your parking brakes to stop.
- The alcohol container may be low
- Your air pressure may drop to a low point while driving, requiring an emergency stop. - 正确答案
如果未在正确的时间内建立气压，则行驶时气压可能会降低至较低点，这时候需要在安全的情况下紧急停车。
If you must make an emergency stop, you should brake so you:
- Can steer and so your vehicle stays in a straight line. - 正确答案
- Use the full power of the brakes to lock them
- None of these answers are correct
- Use the hand brake before the brake pedal
如果必须紧急停车，则应刹车以便转向，使车辆保持在一条直线上。
