Mixed refrigerant should Study guides, Class notes & Summaries

Nate (heat pump practice) Final Exam Questions with Correct Answers A Graded Mixed refrigerant should - CORRECT ANSWER-They're not easy to reclaim or separate should be labeled and sent to recycling plant can be returned for recycling plant charge a substantial fee for destroying What refrigerant is a HFC - CORRECT ANSWER-R 134 a An azeotrope refrigerant is a mixture of - CORRECT ANSWER-2 or more refrigerants that behave like a single refrigerant What is the highest SHARE safety st...

A "compound gauge": Can only be used for low pressures - Has different unit scales According to EPA regulations, when system flushing is required following a compressor burnout, the following refrigerant must be used: System flushing with refrigerants is illegal A CFC contains: Chlorine, fluorine, carbon A CFC - 11 cylinder is: Orange An HFC-134a cylinder is: Sky blue or pale blue A chlorine atom will combine with an ozone molecule to form: Chlorine Mon...

1% concentration of Ammonia is equal to what in parts per million? A. 10 PPM B. 100 PPM C. 1,000 PPM D. 10,000 PPM - Answer-D. 10,000 PPM 1/2 % of Ammonia is it deadly concentration. A. True B. False - Answer-A. True (5,000)PPM Ammonia is what on the PH scale? A. 11.6 B. 3.7 C. 7.0 D. 5.2 - Answer-A. 11.6 More than 100 pounds release of NH3 in 24 hours is a reportable for release . A. True B. False - Answer-A. True There are four primary types of injury with exposure to liquid Am...

EPA 608 EXAM NEW 2023/2024 UPDATE!! (More than 250 QUESTIONS AND VERIFIED ANSWERS) 100% CORRECT ANSWERS Q: What is the leading cause of refrigeration accidents leading to death? a. Phosgene gas inhalation b. Oxygen deprivation c. Freezing to death d. Electrocution Answer: b. Oxygen deprivation Q: What personal protective equipment should you wear when handling refrigerants? a. Safety glasses b. Butyl-lined protective gloves c. Safety shoes d. All the above Answer: ...

EPA 608 EXAM 2023/2024 UPDATE!! (QUESTIONS AND VERIFIED ANSWERS) 100% CORRECT ANSWERS 1. Which of the following synthetic lubricants is used with ternary refrigerant blends containing HCFCs? ~ Answer: Alkylbenzene 2. EPA regulations only allow recovered or recycled refrigerant to be ________. ~ Answer: charged into the same or another appliance owned by the same person 3. The ________ program identifies alternative refrigerants for use ~ Answer: SNAP 4. Whi...

UPDATED EPA 608 QUIZLET (2024) FINAL EXAM |100% CORRECT| the state of the refrigerant entering the metering device is? *Ans* A subcooled high pressure liquid. what type of refrigerant is used in VERY high-pressure appliances? *Ans* R-503 what type of refrigerant is used in MEDIUM pressure appliances? *Ans* R-500 what type of refrigerant is used in HIGH pressure appliances? *Ans* R-410A and R-22 what device is located at the END of the liquid line? *Ans* The expansion device. what type o...

ASE Practice Study Test Questions & Answers 2024/2025 True or False. Chlorine was found to do damage to the ozone layer? - ANSWERSTrue True or False. Different refrigerant are ok to be mixed together. Pressure characteristics are a little bit different but should not matter. - ANSWERSFalse. High pressure characteristics between R12 and R134a vary considerably. Will result in high head pressure and high system. A vehicle has poor air conditioning performance. The customer has added R13...

1% concentration of ammonia is equal to what in parts per million - Answer-10,000 ppm 1/2 % of ammonia is it deadly concentration - Answer-True (5,000)ppm Ammonia is what on the pH scale - Answer-11.6 More than 100 pounds release of NH3 in 24 hours is a reportable for release . - Answer-True There are four primary types of injury with exposure to liquid ammonia. Please list all 4 - AnswerDehydration burn ,chemical burn ,thermal burn ,respiratory burn Ammonia causes cancer - Answer-False If...

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

Nate (heat pump practice) Final Exam Questions with Correct Answers A Graded Mixed refrigerant should - CORRECT ANSWER-They're not easy to reclaim or separate should be labeled and sent to recycling plant can be returned for recycling plant charge a substantial fee for destroying What refrigerant is a HFC - CORRECT ANSWER-R 134 a An azeotrope refrigerant is a mixture of - CORRECT ANSWER-2 or more refrigerants that behave like a single refrigerant What is the highest SHARE safety st...