Practice Test Geeks(RSES) Refrigeration Service Engineers Society Certification Practice Test
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Code Compliance Flashcards

7 cards from real RSES 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. Under ASHRAE 15, what is the maximum allowable refrigerant concentration limit (RCL) used for occupied spaces?

    Answer: The ATEL or ODL, whichever is lower

    ASHRAE 15 uses the lower of the Acute Toxicity Exposure Limit (ATEL) or Oxygen Depletion Limit (ODL) as the RCL for occupied spaces.

  2. What does Section 608 of the Clean Air Act require technicians to do before disposing of appliances containing refrigerants?

    Answer: Recover the refrigerant prior to disposal

    Section 608 mandates that refrigerant must be recovered before any appliance is disposed of to prevent venting.

  3. Which EPA certification type covers technicians who service small appliances containing 5 lbs or less of refrigerant?

    Answer: Type I

    EPA Section 608 Type I certification covers technicians servicing small appliances with 5 lbs or less of refrigerant.

  4. According to the International Mechanical Code, refrigeration machinery rooms must be provided with what minimum ventilation?

    Answer: Continuous mechanical ventilation at 0.5 CFM/sqft plus emergency purge at 1 CFM/sqft

    The IMC requires a machinery room to have continuous ventilation of 0.5 CFM/sqft and emergency ventilation of 1 CFM/sqft activated by a detector.

  5. Under UL 207, pressure relief devices on refrigerant receivers must be set to open at no more than what percentage of the vessel's design pressure?

    Answer: 100%

    UL 207 requires pressure relief devices to be set to open at no more than 100% of the vessel's design (maximum allowable working) pressure.

  6. Which refrigerant class under ASHRAE 34 poses the highest flammability risk?

    Answer: Class 3

    ASHRAE 34 Class 3 refrigerants are highly flammable with a Lower Flammability Limit (LFL) below 3.5% and a heat of combustion at or above 19 kJ/g.

  7. When must an EPA Section 608 technician certification card be presented under federal regulations?

    Answer: Upon request by the refrigerant seller or EPA enforcement officer

    Technicians must present their certification card upon request by a refrigerant seller or EPA enforcement authority.