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1. the heavier vehicle is or faster it is moving, the more heat the brakes have to absorb - 正确答案
2. brake fade is not caused by heat
3. brake responding is very quickly when the vehicle is moving very fast
4. All these answers are true

车辆越重或行驶速度越快，刹车系统要吸收的热量就越多

1. None of these
2. turn signals, taillights, and clearance lights
3. headlights, brake lights and clearance lights
4. turn signals, brake lights and four way flashes - 正确答案

转向信号灯，刹车灯和紧急四向闪烁灯无法同时检查

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

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。

1. 1 second for every 20 feet of vehicle length
2. 1 second for every 10 feet of vehicle length - 正确答案
3. 1 second for every 40 feet of vehicle length
4. 1 second for every 30 feet of vehicle length

在高速公路上行驶时，每10英尺车长需要1秒与前车的距离

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

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。