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
Excessive heat caused by using your brakes too often can also cause:
- Modulated control valve to wear out.
- Brake linings to split up
- brake to fade or fail - 正确答案
- None of these answers are correct
过于频繁地使用刹车将引起刹车的热量过高,也会导致刹车力减退或失灵
The safety valve reduces pressure at __ psi
- 100
- 80
- 50
- 150 - 正确答案
安全阀将在150磅每平方英寸(PSI)时降低气压
The most important thing to do when a low air pressure warning comes on is:
- Upshift
- None of these answers are correct
- to stop and safely park as soon as possible. - 正确答案
- Downshift
出现低气压警告时,最重要的事情是尽快在安全情况下停下来。
Emergency stab braking is:
- Use light steady pressure on the brake pedal
- None of these answers are correct
- When you press hard on a brake pedal and apply hand valve while you stop
- 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
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
The air loss rate for a straight truck or bus with the engine off and the brakes on should not be more than:
- 2 psi in 45 seconds
- 3 psi in one minute - 正确答案
- 1 psi in 30 seconds
- 4 psi in 50 seconds
发动机熄火且泊车刹车系统打开的情况下,卡车或巴士的空气损失率在一分钟内不应超过3 psi(磅每平方英寸)