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Which alignment equipment checks headlamp aim?

  • A.A tape measure and a wall, which is the method specified in the regulations for the checking of headlamp aim
  • B.A spirit level
  • C.A screen marked with the correct pattern at a specified distance, which is the traditional workshop method used
  • D.A beam setter aligned to the vehicle

Answer: D

An optical beam setter is positioned in front of each lamp and squared to the vehicle. The aiming screen at a measured distance is the traditional method and remains valid, which makes the last option a real alternative technique. Reading the definition literally, rather than recalling a summary, avoids the usual confusion. Checking which component actually carries the load settles most questions of this kind at once. Reading the definition literally, rather than recalling a formula, is the reliable route through questions of this shape.

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