Practice Quiz

Commercial Driver's License

Category - Standard Driving

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Concerning a train's warning horn, commercial drivers should:
  1. Assume they will hear it as it is very loud.
  2. Never assume they will hear it because cab noise may hide it.
  3. Rely on the horn more so than their own visual inspection of the track.
  4. None of the above
Explanation
Answer: B - Many commercial drivers believe that they will always hear a train's warning horn in case of emergency. This is not true. Noise within the cab or bus may mask or hide the sound of the horn. When the sound of the horn finally does make it into the cab, it is usually too late.
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