410a - Study guides, Class notes & Summaries

Polyolester (POE) oils stored in plastic containers will: -Separate -Become more alkaline -Become acidic -Absorb moisture through the plastic - Answer Absorb moisture through the plastic R-407C has: -A foul odor -To be charged in the vapor phase -The ability to fractionate -No temperature glide - Answer The ability to fractionate A condensing unit designed for use with R-22: -Must be replaced with a model designed for use with R-410A -Cannot withstand the higher press...

EPA 608 Type 2 certification Exam Questions with Verified Answers . When a new system has been assembled, the first thing to do is? Pressurize the system with an inert gas & leak check. After installation of a field-piped R-410A split heat pulp, the unit should first be? Pressurized with nitrogen then leak checked. The EPA regulations require that any appliances containing more than 50 pounds of refrigerant (except for commercial & industrial process refrigeration) must be repaired when ...

-Suva 410a -AZ-20 -Puron - Answer R-410a is also known as? 0.3 - Answer The temperature glide for R-410a is less than _____ degrees Fahrenheit over air conditioning and refrigeration operating ranges. -Can be irritating to the skin -Is hydroscopic -Has improved heat transfer characteristics over mineral oils - Answer Polyol Ester (POE): 50 psig - Answer The low pressure control on R-410a systems will open at: Absolute discharge pressure divided by absolute suction pre...

Recovery cylinders used with R410 must have a DOT rating of... correct answer: DOT 4BA 400 DOT 4BW 400 When charging an R410a system that uses a thermostatic expansion valve, proper charge can be determined by measuring... correct answer: Subcooling When charging an R410a system that uses a capillary tube or a fixed metering device, proper charge can be determined by measuring... correct answer: Superheat Compressor internal pressure relief settings for R410a systems are... correct ...

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EPA 608 Type 3 Questions and Answers Already Passed On low pressure chillers, moisture typically enters the refrigerant system through air leaks from areas with gaskets or fittings The maximum test pressure for leak testing a low pressure centrifugal is: 10 psig Leak test and repair the chiller to reduce refrigerant loss from a pruge unit on CFC-11 chiller ... A hydrostatic tube test kit is used to: determine if a tube leaks Commercial and industrial process refrigeration systems must be rep...

R410A Certification Exam Questions with Correct Verified Solutions 100% Guaranteed Pass (Latest Update)R410A Certification Exam Questions with Correct Verified Solutions 100% Guaranteed Pass (Latest Update)R410A Certification Exam Questions with Correct Verified Solutions 100% Guaranteed Pass (Latest Update)R410A Certification Exam Questions with Correct Verified Solutions 100% Guaranteed Pass (Latest Update)R410A Certification Exam Questions with Correct Verified Solutions 100% Guaranteed Pass ...

EPA 608 Type 2 Exam Questions with Verified Answers . When a new system has been assembled, the first thing to do is? Pressurize the system with an inert gas & leak check. After installation of a field-piped R-410A split heat pulp, the unit should first be? Pressurized with nitrogen then leak checked. The EPA regulations require that any appliances containing more than 50 pounds of refrigerant (except for commercial & industrial process refrigeration) must be repaired when the leak rate ...

EPA 608 Type 2 certification Exam Questions with Verified Answers Latest . When a new system has been assembled, the first thing to do is? Pressurize the system with an inert gas & leak check. After installation of a field-piped R-410A split heat pulp, the unit should first be? Pressurized with nitrogen then leak checked. The EPA regulations require that any appliances containing more than 50 pounds of refrigerant (except for commercial & industrial process refrigeration) must be repaire...