Practice question

What is the purpose of the header board (headboard) installed on a flatbed semi-trailer?

  1. To improve fuel economy by deflecting wind over the trailer deck
  2. To protect the driver's cab from cargo shifting forward during emergency braking
  3. To provide a mount for the trailer license plate
  4. To house the main air reservoir tanks

Answer: B — To protect the driver's cab from cargo shifting forward during emergency braking

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Practice more: TESDA Driving NC III Practice Questions - Driving (Articulated Vehicle Heavy Truck) NC III (TESDA Philippines) Exam →