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Practice quizzes / IMSA Bench Tech II Practice Questions - IMSA Traffic Signal Bench Technician Level II Certification Exam / Question 102273
Practice question

Caltrans TEES-style BBS specifications typically require the inverter to be at least:

  1. 50% efficient at full load
  2. 80% efficient at full load
  3. 98% efficient at full load
  4. Efficiency is not specified

Answer: B — 80% efficient at full load

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

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