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The lamp whose beam has an asymmetric cut off rising towards the nearside is the _____.

  • A.daytime running lamp, which is intended to make the vehicle visible rather than to illuminate the road ahead of it
  • B.dipped headlamp
  • C.main beam headlamp, which instead throws light straight ahead with no cut off in order to reach the greatest distance
  • D.front fog lamp

Answer: B

The horizontal portion protects oncoming drivers while the rising portion lights the verge and the road signs. Driving abroad reverses the requirement, which is why deflectors or a setting change are needed. Reading the definition literally, rather than recalling a summary, avoids the usual confusion. Naming the cost of a choice alongside its benefit is what turns a fact into a design decision. Tracing the requirement back to the physical constraint that produces it makes the answer follow.

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