纽约州,加州以及其它州商业车驾照基本理论模拟题复习

美国大部分州的商业车驾照考试为英文,我们已将搜索到的试卷答案注释中文以便您更好的复习。所有的信息来自于官方网站和网络,在发布时尽可能保证准确,但可能会发生变化,请按照当地官方DMV网站为准。欢迎联系我们给予建议和分享更多考题

免费在线商业车驾照基本理论模拟考试


Which of the statement is true

  1. Many heavy vehicles accidents occur between midnight and 6 am - 正确答案
  2. Most people are more alert in the night than during the day
  3. Most hazards are easier to see at night than during the day
  4. If you become sleepy, drink enough coffee to keep you awake until you get to your destination

许多卡车交通事故都发生在午夜12点到早上6点,因为夜间开车和早晨升起的太阳很容易使驾驶员疲劳犯困。

How the weight of the vehicle affects stopping distance

  1. fully loaded trucks take longer to stop or the buses loaded with passengers take less distance than empty ones.
  2. if brakes work the same no matter what is the weight of the vehicle for the both trucks and buses
  3. empty trucks take longer to stop than if loaded. but this not the normally case of buses - 正确答案
  4. all these answers are correct

空卡车要比装有货物的卡车要花更长的时间才能停下来, 但在正常情况下巴士不会有这种情况。

You drive through the heavy rain or snow. You can hardly see what is going on outside. You can let the other drivers know about you by:

  1. All these answers are correct
  2. Blowing your horn
  3. Turning on the lower beam headlights - 正确答案
  4. Turning on inside cab lights

当你开车遇到大雨或大雪。 你几乎看不到外面正在发生什么。 这时你可以打开近光大灯让其他驾驶员更容易看到你。

In a mountain driving, you should go slow for safety. Which of these is more important?

  1. weight of the vehicle - 正确答案
  2. color of tires
  3. depth of tread
  4. tire tread type

在高山驾驶中,为了安全起见,应缓慢行进。 车辆的重量是更应该注意的

During the vehicle inspection the checking of ___ will not prevent a fire:

  1. Braking system
  2. Cargo ventilation
  3. Electrical system isolation
  4. Battery fluid level - 正确答案

在做车辆检查期间,检查电池液位对防止车辆突然起火毫无作用

Which of these rigs have more chances to off track while making a turn:

  1. tractors with 20 feet trailers
  2. tractors with 27 feet trailers
  3. tractors with 45 feet trailers - 正确答案
  4. 53 feet straight trucks

带45英尺拖车的车头在转弯时有更大的机会偏离轨道。

The bridge formula

  1. All these answers are true
  2. permits less maximum axle weight for the axles that are close together - 正确答案
  3. permits less maximum axle weight for the axles that are far apart
  4. permits the same axle weight for any axle

允许在一起的轴承受更少的最大轴重

What should you do before driving in the mountains

  1. Carry the tire chains in your vehicle
  2. Know escape ramp location on your way - 正确答案
  3. All these answers are correct
  4. Unhook your steering axle brake

在车辆准备上山和下山之前,你必须提前知道途中的逃生坡道(Escape Ramp)的位置。万一车辆在下坡出现突发情况,例如因下坡车速太快或货物太重导致刹车刹不住 - 你可以使用逃生坡道安全的将车辆停下来。

A hazard

  1. cannot harm you or others on the road
  2. cannot turn into emergency
  3. does not need to be seen
  4. is any road condition or other road user that is a possible danger - 正确答案

Hazard是指任何道路状况可能存在的危险以及其他道路使用者/司机/车辆

Turn signals should be used:

  1. at least 250 feet before turning or changing lanes
  2. at least 100 feet before turning or changing lanes - 正确答案
  3. at least 200 feet before turning or changing lanes
  4. at least 150 feet before turning or changing lanes

在转向或改变车道之前,至少应在100英尺前使用转向信号灯

商业车驾照基本理论模拟考试