Practice question

What is the purpose of a signal head visor (hood)?

  1. To protect the signal lens from rain only
  2. To shield the signal lens from direct sunlight to reduce sun phantom and improve visibility
  3. To increase the light output of the signal
  4. To prevent birds from nesting inside the signal head

Answer: B — To shield the signal lens from direct sunlight to reduce sun phantom and improve visibility

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Practice more: IMSA Traffic Signal I Practice Questions - IMSA Traffic Signal Technician Level I Certification Exam Exam →