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MACS 609 CERTIFICATION ACTUAL QUESTIONS WITH APPROVED ANSWERS |LATEST 2024/2025 $8.99   Add to cart

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MACS 609 CERTIFICATION ACTUAL QUESTIONS WITH APPROVED ANSWERS |LATEST 2024/2025

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  • Course
  • MACS 609 CERTIFICATION
  • Institution
  • MACS 609 CERTIFICATION

When two or more refrigerants are mixed, what must be done with the mixture? Send off-site to EPA certified reclaimer for reclamation or destruction Which SAE Standard(s) must be referred to on the label of approved HFC-134a refrigerant recycling machines? SAE J2210 or SAE J2788 When it h...

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  • September 16, 2024
  • 8
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • MACS 609 CERTIFICATION
  • MACS 609 CERTIFICATION
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MACS 609 CERTIFICATION ACTUAL QUESTIONS
_;- _;- _;- _;- _;-




WITH APPROVED ANSWERS. _;- _;- _;-




When two or more refrigerants are mixed, what must be done with the
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-


mixture? Send off-site to EPA certified reclaimer for reclamation or
_;-_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-


destruction



Which SAE Standard(s) must be referred to on the label of approved
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-



HFC-134a refrigerant recycling machines?
_;- SAE J2210 or SAE J2788 _;- _;- _;-_;- _;- _;- _;- _;- _;-




When it has been determined that an A/C system has a low refrigerant
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-



charge, what should be done?
_;- Perform a leak test procedure
_;- _;- _;- _;-_;- _;- _;- _;- _;- _;-




Which item is not mentioned in the SAE J1991 standard of refrigerant
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-


purity? Acid _;-_;- _;-




Which of the following is unlikely to affect refrigerant charge accuracy?
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-_;-


A/C Compressor
_;- _;-




CFC-12 recovery equipment has SAE 3/8-inch service fittings. HFC-134a
_;- _;- _;- _;- _;- _;- _;- _;- _;-



recovery equipment has: Quick-couple design
_;- _;- _;-_;- _;- _;-




What is the advantage of using refrigerant identification equipment?
_;- _;- _;- _;- _;- _;- _;- _;- _;-_;- _;-


Allows the ability to determine what type of refrigerant is in system
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-

, If an HFC-134a A/C system still has pressure after the first refrigerant
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-


recovery process is complete (including the five-minute pause),
_;- _;- _;- _;- _;- _;- _;- _;-


additional recovery is necessary until the system vacuum level remains
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;-


stable for: 2 minutes
_;- _;-_;- _;- _;-




Paid technicians who service or repair buses using HCFC-22 as
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;-


refrigerant, and/or service or repair aircraft or ship/boat cargo
_;- _;- _;- _;- _;- _;- _;- _;- _;-


refrigeration equipment: Must be Section 608 Type II Certified
_;- _;-_;- _;- _;- _;- _;- _;- _;- _;-




Specific safety information for managing incidents involving refrigerants
_;- _;- _;- _;- _;- _;- _;- _;-


and other chemicals (inhalation, spills, fires, etc.) is found in the:
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-_;- _;-


Material safety data sheet (MSDS) for the chemical
_;- _;- _;- _;- _;- _;- _;-




To what does Global Warming Potential (GWP) refer?
_;- _;- _;- _;- _;- _;- _;- _;-_;- _;- Relative ability _;- _;-


to produce global warming effect
_;- _;- _;- _;-




When performing engine pre-heat for refrigerant removal, the technician
_;- _;- _;- _;- _;- _;- _;- _;- _;-


should do ALL of the following EXCEPT:
_;- Make sure the compressor
_;- _;- _;- _;- _;- _;-_;- _;- _;- _;- _;- _;-



is operating
_;-




PAG lubricant:_;- _;-_;- _;- Is hygroscopic (absorbs moisture)
_;- _;- _;-




Electronic leak detectors certified to SAE J2791 have the capability of
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-



identifying leakage rates as low as: Electronic leak detectors certified
_;- _;- _;- _;- _;- _;-_;- _;- _;- _;- _;- _;-


to SAE J2791 have the capability of identifying leakage rates as low as:
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-

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