Practice question

How should an MMU be verified after installation or programming changes?

  1. Assume a new unit is correct
  2. Approved monitor testing without unsafe field displays
  3. Observe normal operation only
  4. Disable the monitor and energize conflicts

Answer: B — Approved monitor testing without unsafe field displays

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

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