Practice Test GeeksEPA 608 609 Practice Test
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609 Flashcards

7 cards from real EPA 608 609 practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. What does GWP stand for in the context of MVAC refrigerants?

    Answer: Global Warming Potential

    GWP measures how much a refrigerant contributes to global warming relative to CO2.

  2. Which practice is required to minimize refrigerant loss during MVAC service?

    Answer: Recover refrigerant before opening the system

    Refrigerant must be recovered before the system is opened to prevent venting.

  3. Topping off an MVAC system without first checking for leaks is considered what under EPA rules?

    Answer: A poor practice that wastes refrigerant and may violate venting rules

    Adding refrigerant to a leaking system wastes it and contributes to prohibited emissions.

  4. What safety hazard is associated with R-1234yf that technicians must be aware of?

    Answer: It is mildly flammable (A2L classification)

    R-1234yf is classified A2L, meaning it is mildly flammable and requires care.

  5. When charging an MVAC system, the correct refrigerant amount is determined by what?

    Answer: The vehicle manufacturer's specification

    The proper charge amount is set by the vehicle manufacturer's specification.

  6. Why must service hoses used for MVAC work have shutoff devices near the connection ends?

    Answer: To minimize refrigerant release when disconnecting

    Shutoff devices within 12 inches of the hose end reduce refrigerant loss during disconnection.

  7. What is the consequence of using recovery equipment not certified for the specific refrigerant?

    Answer: Cross-contamination and possible equipment damage or unsafe conditions

    Using non-certified equipment risks contaminating refrigerant and damaging the equipment.