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
Your brakes are fading when:
- Less pressure is needed on the brake pedal for each stop
- The brake pedal feel spongy when you apply pressure
- None of these answers are correct
- 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。
If your vehicle has an alcohol evaporator, every day during cold weather you should:
- None of these answers are correct
- Check and fill the alcohol level - 正确答案
- Change the alcohol from a new bottle
- 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
The S-cam
- None of these answers are correct
- Force the brake shoes against the inside of the brake drum - 正确答案
- Pulls the brake shoes away from the drum and allow the wheels to roll freely
- 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。
How should you check that your service brakes are working properly?
- None of these answers are correct
- Park on level ground, wait until normal air pressure is reached, release the parking brake and move forward slowly at about 5 mph. Then apply the brakes firmly using the brake pedal. - 正确答案
- Park on slight grade, drain off air pressure, set parking brake and check to to movement.
- Park on a level ground, chock the wheels, engage the parking brakes when you have the correct amount of air pressure to do so and shut the engine off.
检查服务刹车系统是否正常工作。 将车停在水平地面上,等到达到正常气压后,松开泊车刹车器并以约每小时5英里(5 MPH)的速度缓慢前进。 然后使用刹车踏板稳固地踩下刹车。
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
- The S-cam may not take back when you release the brake pedal
- None of these answer are correct
- Ice may form in the air storage tank and cause a brake failure - 正确答案
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。