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Practice quizzes / IMSA Signal Construction Practice Questions - IMSA Traffic Signal Construction Technician Level II Certification Exam Exam / Question 102609
Practice question

What is the minimum concrete compressive strength typically specified for traffic signal foundations?

  1. 2,000 PSI
  2. 3,000 PSI
  3. 3,500 to 4,000 PSI
  4. 6,000 PSI

Answer: C — 3,500 to 4,000 PSI

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

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