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ornobtizzi ornobtizzi
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6 years ago
Why are liquid line filter-driers required for all systems using HFC refrigerant?
 
  A) Because the filter-drier is also the metering device in newer systems
  B) Because the filter-drier also serves as a reservoir for refrigerant
  C) Because the POE oil used with HFC refrigerant is very hygroscopic
  D) Because HFC refrigerants often form fluoride crystals inside the system

 Q. 2

Where in the system is an oil separator installed?
 
  A) In the suction line leaving the evaporator
  B) In oil separator can be installed anywhere in the system
  C) In the liquid line leaving the condenser
  D) In the discharge line leaving the compressor
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tcshepherd13tcshepherd13
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6 years ago
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ornobtizzi Author
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6 years ago
Thank you for answering
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