Practice question

What is the purpose of the receiver-drier (or accumulator) in an MVAC system?

  1. To compress refrigerant vapor
  2. To store liquid refrigerant and remove moisture and contaminants
  3. To measure system pressure
  4. To cool the cabin air directly

Answer: B — To store liquid refrigerant and remove moisture and contaminants

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