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Practice quizzes / EPA Section 609 Motor Vehicle Air Conditioning (MVAC) Technician Certification / Question 82989
Practice question

UV dye is injected into an MVAC system primarily to:

  1. Lubricate the compressor seals
  2. Identify refrigerant leaks under ultraviolet light
  3. Improve system cooling efficiency
  4. Neutralize moisture contamination

Answer: B — Identify refrigerant leaks under ultraviolet light

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

Practice more: EPA Section 609 Motor Vehicle Air Conditioning (MVAC) Technician Certification →
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