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Practice quizzes / IMSA Traffic Signal I Practice Questions - IMSA Traffic Signal Technician Level I Certification Exam Exam / Question 102934
Practice question

What is the most common cause of inductive loop detector failure?

  1. Controller software bugs
  2. Pavement deterioration causing loop wire breaks
  3. Power surges from lightning
  4. Vandalism of the detector amplifier

Answer: B — Pavement deterioration causing loop wire breaks

The correct answer is shown above. Try the full quiz for additional practice.

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